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Dennis Mahan
Dennis Hart Mahan (Mă-hăn) əˈhæn(April 2, 1802 – September 16, 1871) was an American military theorist, civil engineer and professor at the United States Military Academy at West Point from 1824 to 1871. He was the father of American naval historian and theorist Alfred Thayer Mahan. A native of New York City, Mahan was raised and educated in Norfolk, Virginia. He was an 1824 graduate of the United States Military Academy; ranked first in class, Mahan's high academic standing earned him appointment to the United States Army Corps of Engineers. Mahan's mathematical and engineering skills were recognized by his instructors and the superintendent, Sylvanus Thayer, and he began teaching courses as an acting assistant professor during his third year as a student. Mahan received advanced training in engineering during an extended trip to Europe, including attendance at the French engineer and artillery school in Metz. He resigned his commission in 1832 to become chairman of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
New York City
New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive with a respective county. The city is the geographical and demographic center of both the Northeast megalopolis and the New York metropolitan area, the largest metropolitan area in the United States by both population and urban area. New York is a global center of finance and commerce, culture, technology, entertainment and media, academics, and scientific output, the arts and fashion, and, as home to the headquarters of the United Nations, international diplomacy. With an estimated population in 2024 of 8,478,072 distributed over , the city is the most densely populated major city in the United States. New York City has more than double the population of Los Angeles, the nation's second-most populous city. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American Civil War
The American Civil War (April 12, 1861May 26, 1865; also known by Names of the American Civil War, other names) was a civil war in the United States between the Union (American Civil War), Union ("the North") and the Confederate States of America, Confederacy ("the South"), which was formed in 1861 by U.S. state, states that had Secession in the United States, seceded from the Union. The Origins of the American Civil War, central conflict leading to war was a dispute over whether Slavery in the United States, slavery should be permitted to expand into the western territories, leading to more slave states, or be prohibited from doing so, which many believed would place slavery on a course of ultimate extinction. Timeline of events leading to the American Civil War, Decades of controversy over slavery came to a head when Abraham Lincoln, who opposed slavery's expansion, won the 1860 presidential election. Seven Southern slave states responded to Lincoln's victory by seceding f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Thayer School Of Engineering
The Thayer School of Engineering at Dartmouth (branded as Dartmouth Engineering) is the engineering school of Dartmouth College, a private research university in Hanover, New Hampshire, United States. Located in a three-building complex along the Connecticut River on Dartmouth's campus, Dartmouth Engineering offers undergraduate, master's, and doctoral degrees in engineering sciences, and has partnerships with other Liberal arts college, liberal arts colleges throughout the United States to offer dual degrees. The school was established in 1867 with funds from Dartmouth alumnus Sylvanus Thayer, also known for his work in establishing the engineering curriculum at the United States Military Academy at West Point, New York. In 2016, Dartmouth Engineering became one of the first comprehensive, national research university in the US, where more than 50 percent of the graduating class to earn undergraduate engineering degrees were women. History Thayer School of Engineering is name ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Academy Of Sciences
The National Academy of Sciences (NAS) is a United States nonprofit, NGO, non-governmental organization. NAS is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy of Engineering (NAE) and the National Academy of Medicine (NAM). As a national academy, new members of the organization are elected annually by current members, based on their distinguished and continuing achievements in original research. Election to the National Academy is one of the highest honors in the scientific field in the United States. Member of the National Academy of Sciences, Members of the National Academy of Sciences serve ''pro bono'' as "advisers to the nation" on science, engineering, and medicine. The group holds a congressional charter under Title 36 of the United States Code. Congress legislated and President Abraham Lincoln signed an Act of Congress (1863) establishing the National Academy of Sciences as an independent, trusted nongovernmen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wheeling, West Virginia
Wheeling is a city in Ohio County, West Virginia, Ohio and Marshall County, West Virginia, Marshall counties in the U.S. state of West Virginia. The county seat of Ohio County, it lies along the Ohio River in the foothills of the Appalachian Mountains within Northern Panhandle of West Virginia, the state's Northern Panhandle. It is the List of municipalities in West Virginia, fifth-most populous city in West Virginia and the most populous city in the Northern Panhandle with a population of 27,062 at the 2020 United States census, 2020 census. The Wheeling metropolitan area had 139,513 residents in 2020. Wheeling is located about west of Pittsburgh and east of Columbus, Ohio, Columbus via Interstate 70 in West Virginia, Interstate 70. Wheeling was settled in 1769 on land contested between colonial Province of Pennsylvania, Pennsylvania and Colony of Virginia, Virginia, and later grew to become Virginia's largest city west of the Appalachians. During the American Civil War, Whee ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cumberland, Maryland
Cumberland is a city in Allegany County, Maryland, United States, and its county seat. At the 2020 United States census, 2020 census, the city had a population of 19,075. Located on the Potomac River, Cumberland is a regional business and commercial center for Western Maryland and the Potomac Highlands of West Virginia. It is the primary city of the Cumberland micropolitan area, which had 95,044 residents in 2020. Historically, Cumberland was known as the "Queen City" as it was once the second largest in the state. Because of its strategic location on what became known as the Cumberland Road through the Appalachian Mountains, Appalachians, after the American Revolution it served as a historical outfitting and staging point for westward emigrant trail Human migration, migrations throughout the first half of the 1800s. In this role, it supported the settlement of the Ohio Country and the lands in that latitude of the Louisiana Purchase. It also became an industrial center, served ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Baltimore And Ohio Railroad
The Baltimore and Ohio Railroad was the oldest railroads in North America, oldest railroad in the United States and the first steam engine, steam-operated common carrier. Construction of the line began in 1828, and it operated as B&O from 1830 until 1987, when it was merged into the Chessie System. Its lines are today controlled by CSX Transportation. Founded to serve merchants from Baltimore who wanted to do business with settlers crossing the Appalachian Mountains, the railroad competed with several existing and proposed Central Avenue (Albany, New York), turnpikes and canals, including the Erie Canal, Erie and Chesapeake and Ohio Canal. The railroad began operation in 1830 on a 13-mile line between Baltimore and Ellicott City, Maryland, Elliot's Mill in Maryland. Horse-drawn cars were replaced by steam locomotives the following year. Over the following decades, construction continued westward. During the American Civil War, the railroad sustained much damage but proved cru ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Virginia
Virginia, officially the Commonwealth of Virginia, is a U.S. state, state in the Southeastern United States, Southeastern and Mid-Atlantic (United States), Mid-Atlantic regions of the United States between the East Coast of the United States, Atlantic Coast and the Appalachian Mountains. The state's List of capitals in the United States, capital is Richmond, Virginia, Richmond and its most populous city is Virginia Beach, Virginia, Virginia Beach. Its most populous subdivision is Fairfax County, Virginia, Fairfax County, part of Northern Virginia, where slightly over a third of Virginia's population of more than 8.8million live. Eastern Virginia is part of the Atlantic Plain, and the Middle Peninsula forms the mouth of the Chesapeake Bay. Central Virginia lies predominantly in the Piedmont (United States), Piedmont, the foothill region of the Blue Ridge Mountains, which cross the western and southwestern parts of the state. The fertile Shenandoah Valley fosters the state's mo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
