was a general in the

Imperial Japanese Army The Imperial Japanese Army (IJA; , ''Dai-Nippon Teikoku Rikugun'', "Army of the Greater Japanese Empire") was the principal ground force of the Empire of Japan from 1871 to 1945. It played a central role in Japan’s rapid modernization during th ...

World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

Biography

Iida was a native of

Yamaguchi prefecture is a Prefectures of Japan, prefecture of Japan located in the Chūgoku region of Honshu. Yamaguchi Prefecture has a population of 1,377,631 (1 February 2018) and has a geographic area of 6,112 Square kilometre, km2 (2,359 Square mile, sq mi). ...

and a graduate of the 20th class of the

Imperial Japanese Army Academy The was the principal officer's training school for the Imperial Japanese Army. The programme consisted of a junior course for graduates of local army cadet schools and for those who had completed four years of middle school, and a senior course f ...

in 1908 and the 27th class of the Army Staff College in December 1915. Iida was promoted to captain in December 1918. He participated in the Japanese Expeditionary force for the Siberian Intervention against the forces of the

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, ...

Army, supporting White Russian forces in

Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

. After serving in a variety of administrative positions within the Imperial Japanese Army General Staff, including a stint as an instructor at the Infantry School from 1932 to 1934, Iida was appointed commander of the 4th Imperial Guards Regiment from 1934 to 1935. He was subsequently

Chief of Staff The title chief of staff (or head of staff) identifies the leader of a complex organization such as the armed forces, institution, or body of persons and it also may identify a principal staff officer (PSO), who is the coordinator of the supportin ...

of the IJA 4th Division from 1935 to 1937. With the start of the

Second Sino-Japanese War The Second Sino-Japanese War was fought between the Republic of China (1912–1949), Republic of China and the Empire of Japan between 1937 and 1945, following a period of war localized to Manchuria that started in 1931. It is considered part ...

, Iida became Chief of Staff of the Japanese First Army in

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

in 1938. Iida was promoted to

lieutenant general Lieutenant general (Lt Gen, LTG and similar) is a military rank used in many countries. The rank traces its origins to the Middle Ages, where the title of lieutenant general was held by the second-in-command on the battlefield, who was norma ...

in August 1939. He was assigned to command the Taiwan Army of Japan from 1938 to 1939. In 1939, he returned to the Imperial Guard as its commander, and held the post until 1941. With the start of the

Pacific War The Pacific War, sometimes called the Asia–Pacific War or the Pacific Theatre, was the Theater (warfare), theatre of World War II fought between the Empire of Japan and the Allies of World War II, Allies in East Asia, East and Southeast As ...

, Iida was transferred south to take command of the Japanese 25th Army in Japanese-occupied

French Indochina French Indochina (previously spelled as French Indo-China), officially known as the Indochinese Union and after 1941 as the Indochinese Federation, was a group of French dependent territories in Southeast Asia from 1887 to 1954. It was initial ...

in 1941. He established his headquarters in

Saigon Ho Chi Minh City (HCMC) ('','' TP.HCM; ), commonly known as Saigon (; ), is the most populous city in Vietnam with a population of around 14 million in 2025. The city's geography is defined by rivers and canals, of which the largest is Saigo ...

and prepared for an invasion of

Thailand Thailand, officially the Kingdom of Thailand and historically known as Siam (the official name until 1939), is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. With a population of almost 66 million, it spa ...

. In December 1941, Iida took command of the newly formed Japanese Fifteenth Army, consisting of the IJA 33rd Division and IJA 55th Division. Beginning on 8 December, his forces easily overcame light Thai resistance, forcing Thailand into a mutual defense pact with Japan. On 20 January 1942, Iida's divisions crossed into

Burma Myanmar, officially the Republic of the Union of Myanmar; and also referred to as Burma (the official English name until 1989), is a country in northwest Southeast Asia. It is the largest country by area in Mainland Southeast Asia and ha ...

in the highly successful beginnings of the

Burma Campaign The Burma campaign was a series of battles fought in the British colony of British rule in Burma, Burma as part of the South-East Asian theatre of World War II. It primarily involved forces of the Allies of World War II, Allies (mainly from ...

. Iida's 35,000 men quickly outmaneuvered British forces despite inclement terrain and limited supplies. On 8 March, Iida took

Rangoon Yangon, formerly romanized as Rangoon, is the capital of the Yangon Region and the largest city of Myanmar. Yangon was the List of capitals of Myanmar, capital of Myanmar until 2005 and served as such until 2006, when the State Peace and Dev ...

, cutting the Burma Road and isolating China. By May, British and Chinese forces in Burma had been driven back to India and China with some 30,000 casualties, against Japanese losses numbering only 7,000. Recalled to Japan in 1943, Iida was reassigned to the General Defense Command. In 1944, he became Commander in Chief of the Central District Army. He retired from active military service in 1944. However, in 1945, Iida was recalled back to service to take command of the Japanese 30th Army in

Manchukuo Manchukuo, officially known as the State of Manchuria prior to 1934 and the Empire of Great Manchuria thereafter, was a puppet state of the Empire of Japan in Northeast China that existed from 1932 until its dissolution in 1945. It was ostens ...

just before the Soviet invasion. He was taken prisoner by the

Red Army The Workers' and Peasants' Red Army, often shortened to the Red Army, was the army and air force of the Russian Soviet Republic and, from 1922, the Soviet Union. The army was established in January 1918 by a decree of the Council of People ...

and was held as a

prisoner of war A prisoner of war (POW) is a person held captive by a belligerent power during or immediately after an armed conflict. The earliest recorded usage of the phrase "prisoner of war" dates back to 1610. Belligerents hold prisoners of war for a ...

in 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 ...

from 1945 to 1950.Budge, ''Pacific War Online Encyclopedia''. He died in

Tokyo Tokyo, officially the Tokyo Metropolis, is the capital of Japan, capital and List of cities in Japan, most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is List of largest cities, one of the most ...

on 23 January 1980.

Books

* * *

External links

* * * http://www.worldstatesmen.org/Myanmar.htm

Notes

{{DEFAULTSORT:Iida, Shojiro Imperial Japanese Army generals of World War II Military personnel from Yamaguchi Prefecture 1888 births 1980 deaths Administrators in British Burma Burma in World War II Siberian internees