Wall Street bombing
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The Wall Street bombing was an act of
terrorism Terrorism, in its broadest sense, is the use of violence against non-combatants to achieve political or ideological aims. The term is used in this regard primarily to refer to intentional violence during peacetime or in the context of war aga ...
on
Wall Street Wall Street is a street in the Financial District, Manhattan, Financial District of Lower Manhattan in New York City. It runs eight city blocks between Broadway (Manhattan), Broadway in the west and South Street (Manhattan), South Str ...
at 12:01 pm on Thursday, September 16, 1920. The blast killed 30 people immediately, and another 10 later died of wounds that they sustained in the blast. There were 143 seriously injured, and the total number of injured was in the hundreds. The bombing was never solved, although investigators and historians believe it was carried out by Galleanists, a group responsible for a series of bombings the previous year.


Attack

At noon, a horse-drawn wagon passed by lunchtime crowds on
Wall Street Wall Street is a street in the Financial District, Manhattan, Financial District of Lower Manhattan in New York City. It runs eight city blocks between Broadway (Manhattan), Broadway in the west and South Street (Manhattan), South Str ...
and stopped across the street from the headquarters of the J.P. Morgan & Co. bank at 23 Wall Street, on the
Financial District A financial district is usually a central area in a city where financial services firms such as banks, insurance companies, and other related finance corporations have their headquarters offices. In major cities, financial districts often host ...
's busiest corner. Inside the wagon, of
dynamite Dynamite is an explosive made of nitroglycerin, sorbents (such as powdered shells or clay), and Stabilizer (chemistry), stabilizers. It was invented by the Swedish people, Swedish chemist and engineer Alfred Nobel in Geesthacht, Northern German ...
with of heavy, cast-iron sash weights exploded in a timer-set detonation, sending the weights tearing through the air. The horse and wagon were blasted into small fragments, but the driver was seen by witnesses leaving the vehicle and escaping down a side street. The 40 fatalities were mostly young people who worked as messengers, stenographers, clerks, and brokers. Many of the wounded suffered severe injuries. The bomb caused more than
US$ The United States dollar (Currency symbol, symbol: Dollar sign, $; ISO 4217, currency code: USD) is the official currency of the United States and International use of the U.S. dollar, several other countries. The Coinage Act of 1792 introdu ...
2 million ($ million today) in property damage and destroyed most of the interior spaces of the Morgan building. Within one minute of the explosion, William H. Remick, president of the
New York Stock Exchange The New York Stock Exchange (NYSE, nicknamed "The Big Board") is an American stock exchange in the Financial District, Manhattan, Financial District of Lower Manhattan in New York City. It is the List of stock exchanges, largest stock excha ...
(NYSE), suspended trading in order to prevent a
panic Panic is a sudden sensation of fear, which is so strong as to dominate or prevent reason and logical thinking, replacing it with overwhelming feelings of anxiety, uncertainty and frantic agitation consistent with a fight-or-flight reaction. ...
. Outside, rescuers worked feverishly to transport the wounded to the hospital. James Saul, a 17-year-old messenger, commandeered a parked car and transported 30 injured people to an area
hospital A hospital is a healthcare institution providing patient treatment with specialized Medical Science, health science and auxiliary healthcare staff and medical equipment. The best-known type of hospital is the general hospital, which typically ...
.
Police officer A police officer (also called policeman or policewoman, cop, officer or constable) is a Warrant (law), warranted law employee of a police, police force. In most countries, ''police officer'' is a generic term not specifying a particular rank. ...
s rushed to the scene, performed
first aid First aid is the first and immediate assistance given to any person with a medical emergency, with care provided to preserve life, prevent the condition from worsening, or to promote recovery until medical services arrive. First aid is gener ...
, and appropriated all nearby automobiles as emergency transport vehicles.


Reaction

The Justice Department's
Bureau of Investigation The Federal Bureau of Investigation (FBI) is the domestic intelligence and security service of the United States and its principal federal law enforcement agency. An agency of the United States Department of Justice, the FBI is a member of ...
(BOI, the forerunner of the
Federal Bureau of Investigation The Federal Bureau of Investigation (FBI) is the domestic Intelligence agency, intelligence and Security agency, security service of the United States and Federal law enforcement in the United States, its principal federal law enforcement ag ...
, or FBI) did not immediately conclude that the bomb was an act of
terrorism Terrorism, in its broadest sense, is the use of violence against non-combatants to achieve political or ideological aims. The term is used in this regard primarily to refer to intentional violence during peacetime or in the context of war aga ...
. Investigators were puzzled by the number of innocent people killed and the lack of a specific target, other than buildings that suffered relatively superficial, non-structural damage. Exploring the possibility of an accident, police contacted businesses that sold and transported
explosive An explosive (or explosive material) is a reactive substance that contains a great amount of potential energy that can produce an explosion if released suddenly, usually accompanied by the production of light, heat, sound, and pressure. An ex ...
s. By 3:30 pm, the
board of governors A board of directors is a governing body that supervises the activities of a business, a nonprofit organization, or a government agency. The powers, duties, and responsibilities of a board of directors are determined by government regulations ...
of the NYSE had met and decided to open for business the next day. Crews cleaned up the area overnight to allow for normal business operations, but in doing so they destroyed physical evidence that might have helped police investigators solve the crime. The
Sons of the American Revolution The Sons of the American Revolution (SAR), formally the National Society of the Sons of the American Revolution (NSSAR), is a federally chartered patriotic organization. The National Society, a nonprofit corporation headquartered in Louisvi ...
had previously scheduled a patriotic rally for the day after (September 17) to celebrate
Constitution Day Constitution Day is a holiday to honour the constitution of a country. Constitution Day is often celebrated on the anniversary of the signing, promulgation or adoption of the constitution, or in some cases, to commemorate the change to constitut ...
at exactly the same intersection. On September 17, thousands of people attended the rally in defiance of the previous day's attack. The New York assistant district attorney noted that the timing, location, and method of delivery all pointed to Wall Street and
J.P. Morgan JP may refer to: Arts and media * ''JP'' (album), 2001, by American singer Jesse Powell * ''Jp'' (magazine), an American Jeep magazine * '' Jönköpings-Posten'', a Swedish newspaper * Judas Priest, an English heavy metal band * ''Jurassic Pa ...
as the targets of the bomb, suggesting in turn that it was planted by radical opponents of
capitalism Capitalism is an economic system based on the private ownership of the means of production and their use for the purpose of obtaining profit. This socioeconomic system has developed historically through several stages and is defined by ...
, such as
Bolshevik The Bolsheviks, led by Vladimir Lenin, were a radical Faction (political), faction of the Marxist Russian Social Democratic Labour Party (RSDLP) which split with the Mensheviks at the 2nd Congress of the Russian Social Democratic Labour Party, ...
s,
anarchists Anarchism is a political philosophy and movement that seeks to abolish all institutions that perpetuate authority, coercion, or hierarchy, primarily targeting the state and capitalism. Anarchism advocates for the replacement of the state w ...
,
communists Communism () is a sociopolitical, philosophical, and economic ideology within the socialist movement, whose goal is the creation of a communist society, a socioeconomic order centered on common ownership of the means of production, d ...
, or militant
socialists Socialism is an economic and political philosophy encompassing diverse economic and social systems characterised by social ownership of the means of production, as opposed to private ownership. It describes the economic, political, and socia ...
. Investigators soon focused on radical groups opposed to U.S. financial and governmental institutions and known to use bombs as a means of violent reprisal. Often throughout the
Gilded Age In History of the United States, United States history, the Gilded Age is the period from about the late 1870s to the late 1890s, which occurred between the Reconstruction era and the Progressive Era. It was named by 1920s historians after Mar ...
, radical ideology and violence was used as a form of protest by groups to initiate change. When simple protests were not enough, these extremists would resort to ruthless measures to be heard. Although the violence proved to be detrimental to their overall cause, many historians saw that this was a clear point of radical behavior aimed at facilitating transformation throughout the classes. They observed that the Wall Street bomb was packed with heavy sash weights designed to act as shrapnel, then detonated on the street in order to increase casualties among financial workers and institutions during the busy lunch hour. Officials eventually blamed anarchists and communists for the Wall Street bombing. ''
The Washington Post ''The Washington Post'', locally known as ''The'' ''Post'' and, informally, ''WaPo'' or ''WP'', is an American daily newspaper published in Washington, D.C., the national capital. It is the most widely circulated newspaper in the Washington m ...
'' called the attack an "act of war". The bombing stimulated renewed efforts by police and federal investigators to track the activities and movements of foreign radicals. Public demands to track down the perpetrators led to an expanded role for the BOI, including the bureau's General Intelligence Division headed by
J. Edgar Hoover John Edgar Hoover (January 1, 1895 – May 2, 1972) was an American attorney and law enforcement administrator who served as the fifth and final director of the Bureau of Investigation (BOI) and the first director of the Federal Bureau o ...
. The
New York City Police Department The City of New York Police Department, also referred to as New York City Police Department (NYPD), is the primary law enforcement agency within New York City. Established on May 23, 1845, the NYPD is the largest, and one of the oldest, munic ...
(NYPD) also pushed to form a "special, or secret, police" to monitor "radical elements" in the city. On September 17, the BOI released the contents of flyers found in a post office box in the Wall Street area just before the explosion. Printed in red ink on white paper, they said: "Remember, we will not tolerate any longer. Free the political prisoners, or it will be sure death for all of you." At the bottom was: "American Anarchist Fighters". The BOI quickly decided that the flyer eliminated the possibility of an accidental explosion. William J. Flynn, director of the BOI, suggested the flyers were similar to those found at the June 1919 anarchist bombings.


Investigations

The BOI investigation stalled when none of the victims turned out to be the driver of the wagon. Though the horse was newly shod, investigators could not locate the stable responsible for the work. When the
blacksmith A blacksmith is a metalsmith who creates objects primarily from wrought iron or steel, but sometimes from #Other metals, other metals, by forging the metal, using tools to hammer, bend, and cut (cf. tinsmith). Blacksmiths produce objects such ...
was located in October, he could offer the police little information. Investigators questioned tennis champion Edwin Fischer, who had sent warning postcards to friends, telling them to leave the area before September 16. He told police he had received the information "through the air". They found Fischer made a regular habit of issuing such warnings, and had him committed to Amityville Asylum, where he was diagnosed as insane but harmless. The BOI and local police investigated the case for over three years without success. Occasional arrests garnered headlines but each time they failed to support
indictment An indictment ( ) is a formal accusation that a person has committed a crime. In jurisdictions that use the concept of felonies, the most serious criminal offense is a felony; jurisdictions that do not use that concept often use that of an ind ...
s. Most of the initial investigation focused on anarchists and communists, such as the Galleanist group, whom authorities believed were involved in the 1919 bombings. During
President President most commonly refers to: *President (corporate title) * President (education), a leader of a college or university *President (government title) President may also refer to: Arts and entertainment Film and television *'' Præsident ...
Warren G. Harding Warren Gamaliel Harding (November 2, 1865 – August 2, 1923) was the 29th president of the United States, serving from 1921 until his death in 1923. A member of the Republican Party (United States), Republican Party, he was one of the most ...
's administration, officials evaluated the
Soviet Union The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...
and the
Communist Party USA The Communist Party USA (CPUSA), officially the Communist Party of the United States of America, also referred to as the American Communist Party mainly during the 20th century, is a communist party in the United States. It was established ...
as possible masterminds of the bombing. In 1944, the FBI, successor to the BOI, investigated again. It concluded that its agents had explored many radical groups, "such as the
Union of Russian Workers The Union of Russian Workers in the United States and Canada, commonly known as the "Union of Russian Workers" (Союз Русских Рабочих, ''Soiuz Russkikh Rabochikh)'' was an anarcho-syndicalist union of Russian American, Russian em ...
, the I.W.W., Communist, etc. ... and from the result of the investigations to date it would appear that none of the aforementioned organizations had any hand in the matter and that the explosion was the work of either
Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, a Romance ethnic group related to or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance languag ...
anarchists or Italian terrorists." One Galleanist in particular, Italian anarchist Mario Buda (1884–1963), an associate of
Sacco and Vanzetti Nicola Sacco (; April 22, 1891 – August 23, 1927) and Bartolomeo Vanzetti (; June 11, 1888 – August 23, 1927) were Italian immigrants and anarchists who were controversially convicted of murdering Alessandro Berardelli and Frederick Parm ...
and the owner of a car which led to the arrest of the latter for a separate robbery and murder, is alleged by some historians, including
Paul Avrich Paul Avrich (August 4, 1931 – February 16, 2006) was an American historian specializing in the 19th and early 20th-century anarchist movement in Russia and the United States. He taught at Queens College, City University of New York, for his ...
, to be the man most likely to have planted the bomb. Avrich and other historians theorize that Buda acted in revenge for the arrest and indictment of Sacco and Vanzetti. Buda's involvement as the Wall Street bombmaker was confirmed by statements made by his nephew Frank Maffi and fellow anarchist Charles Poggi, who interviewed Buda in Savignano sul Rubicone, Italy, in 1955. Buda (at that time known by the alias of Mike Boda) had eluded authorities at the time of the Sacco and Vanzetti arrests, was experienced in the use of dynamite and other explosives, was known to use sash weights as shrapnel in his time bombs, and is believed to have constructed several of the largest package bombs for the Galleanists. These included the Milwaukee Police Department bombing, which was a large black powder bomb that killed nine policemen in
Milwaukee Milwaukee is the List of cities in Wisconsin, most populous city in the U.S. state of Wisconsin. Located on the western shore of Lake Michigan, it is the List of United States cities by population, 31st-most populous city in the United States ...
,
Wisconsin Wisconsin ( ) is a U.S. state, state in the Great Lakes region, Great Lakes region of the Upper Midwest of the United States. It borders Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michig ...
. However, he was neither arrested nor questioned by police. After leaving New York, Buda resumed the use of his real name in order to secure a passport from the Italian vice-
consul Consul (abbrev. ''cos.''; Latin plural ''consules'') was the title of one of the two chief magistrates of the Roman Republic, and subsequently also an important title under the Roman Empire. The title was used in other European city-states thro ...
, then promptly sailed for
Naples Naples ( ; ; ) is the Regions of Italy, regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 908,082 within the city's administrative limits as of 2025, while its Metropolitan City of N ...
. By November, he was back in his native
Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...
, never to return to the United States. Galleanists still in the U.S. continued the bombing and assassination campaign for another 12 years, culminating in a 1932 bomb attack targeting Webster Thayer, the presiding judge in the Sacco and Vanzetti trial. Thayer, who survived the ensuing blast that destroyed his house and injured his wife and housekeeper, moved his residence to his club for the last year and a half of his life, where he was guarded 24 hours a day.


In media

The bombing has inspired several books, notably ''The Day Wall Street Exploded'' by Beverly Gage, ''The Death Instinct'' by Jed Rubenfeld.
Upton Sinclair Upton Beall Sinclair Jr. (September 20, 1878 – November 25, 1968) was an American author, muckraker journalist, and political activist, and the 1934 California gubernatorial election, 1934 Democratic Party (United States), Democratic Party ...
writes about this event in the book ''Oil!'' He argues that there was no conspiracy, rather the bombing was negligence from a truck driver carrying hazardous material who ignored the rules for their safe transport. The bombing is the subject of the PBS series ''
American Experience ''American Experience'' is a television program airing on the Public Broadcasting Service (PBS) in the United States. The program airs documentaries, many of which have won awards, about important or interesting events and people in American his ...
'' episode "The Bombing of Wall Street", broadcast in February 2018. Additionally, the bombing is depicted in the 2012 period thriller film '' No God, No Master''.


See also

* Animal-borne bomb attacks *
Domestic terrorism in the United States In the United States, domestic terrorism is defined as definition of terrorism, terrorist acts that were carried out within the United States by U.S. citizens and/or U.S. permanent residents. As of 2021, the United States government considers w ...
* List of unsolved murders


Citations


External links

* {{DEFAULTSORT:Wall Street bombing 1920 murders in the United States 1920 in New York City Explosions in 1920 1920s in Manhattan Animal-borne bombs Attacks on bank buildings in the United States Building bombings in New York City Crimes in Manhattan Financial District, Manhattan Galleanisti History of anarchism Road transport bombings Mass murder in New York City Mass murder in the United States in the 1920s September 1920 in the United States Terrorist incidents by unknown perpetrators Terrorist incidents in the United States in 1920 Unsolved mass murders in the United States
Bombing A bomb is an explosive weapon that uses the exothermic reaction of an explosive material to provide an extremely sudden and violent release of energy. Detonations inflict damage principally through ground- and atmosphere-transmitted mechan ...
Terrorist incidents against transportation in the United States