1931

1931 — Korea: The Korean Patriotic Organization (KPO) is founded / China: Mukden incident / Japan: 서사이타마 지진 / United States: Japanese invasion of Manchuria

20 events. The text is the source chronology verbatim; the terms are in Sources & licenses. The grey lines above and below are the surrounding 2 years.

KoreaKorea under Japanese rule 1910–1945	ChinaTaiwan 1912–1949	JapanShōwa era 1926–1989	United StatesUnited States 1776–
The Korean Patriotic Organization (KPO) is founded. 5월 16일 신간회 해소, 조선어 학회 창립, 한인 애국단 수립KO 1929Chōsen Exhibition 1929Gwangju Student Independence Movement 1932Hongkou Park Incident 1932January. The Sakuradamon incident occurs, in which KPO member Lee Bong-chang fails in his attempt to assassinate Emperor Hirohito in Tokyo. 1932이봉창·윤봉길 의거	Mukden incident July - November — 1931 China floods: Flooding began in the valleys of the Yellow, Yangtze and Huai Rivers, which would claim as many as four million lives. As of 2024, it was the deadliest natural disaster ever recorded. Japanese invasion of Manchuria Tientsin Incident November — The Chinese Soviet Republic was established in Ruijin. 1931 Fuyun earthquake December — Chiang resigned under pressure from the KMT. Lin Sen became acting chairman of the Nationalist government. 中国第一辆汽车“民生牌75型”于奉天迫击炮厂下线。九一八事变，江桥抗战，東三省被日本关东军佔領。國民政府開始實行《建國大綱》的訓政時期計劃。中國共產黨在江西瑞京成立中華蘇維埃共和國（1931-1937），主張推翻中華民國國民政府和中國國民黨的統治。中国的几条主要河流如长江、珠江、黄河、淮河等都发生非常巨大的洪水，死亡人数估计到400万人。新疆富蕴县发生了8.0级地震，造成10,000人死亡。ZH Encirclement campaign against the Northeastern Jiangxi Soviet 1929Baise Uprising 1929梁啟超逝。蒋桂战争。中东路事件。陕西大旱，80%的县受灾，估计死亡加逃亡人数达300万。12月28日古田会议召开。 19303月2日中国左翼作家联盟在上海市成立。3月24日汪精卫担任国民政府主席。中原大戰。中国工农红军第一方面军成立。中央苏区第一次反围剿战争。 1932January 28 incident 1932February — The independent state of Manchukuo was established on the territory of Japanese-occupied Manchuria. 1932February — Defense of Harbin: Japanese bombs and artillery forced the Jilin Self-Defence Army to retreat from Harbin. 1932January — Lin Sen became chairman of the Nationalist government. 19321932 Changma earthquake 1932March — Pacification of Manchukuo: The Big Swords Society rebelled en masse against the government of Manchukuo. 1932一二八事變日本攻占上海。3月1日《建国宣言》宣布滿洲國成立，溥仪成为满洲国皇帝。5月5日淞沪停战协定签订。 1933Defense of the Great Wall 1933Battle of Rehe 1933Battle of Kashgar 19331933 Diexi earthquake 1933Kizil massacre 1933Battle of Ürümqi 1933长城抗战。巴金在成都著《家》、《春》、《秋》三部曲。中央將北平故宮博物院重要古物南遷。國聯十九國委員會反對承認滿洲國，日本抨擊國聯。福州發生閩變事件，成立「中華共和國」（1933-1934）。四川茂县叠溪镇发生了7.5级大地震，近10,000人死亡。	서사이타마 지진 September — Japan invaded Manchuria in the aftermath of Mukden incident in Northeastern China. 1930London Naval Treaty 19301930 North Izu earthquake 1930October — Wushe incident, a rebellion on Taiwan, which was the last major uprising against colonial Japanese forces in Taiwan. 1932소련-일본 국경 분쟁 1932League of Blood Incident 1932May — Prime Minister Inukai Tsuyoshi is assassinated during the Japanese coup d'état. 1932January to 3 March — Shanghai incident begins and lasts only two months. 1932March — Manchukuo, a puppet state of Japan, is established.	Japanese invasion of Manchuria Empire State Building opens in New York. “The Star-Spangled Banner” becomes official U.S. national anthem The Whitney Museum of American Art opens to the public in New York City. 1931 Valentine earthquake Pearl Buck publishes The Good Earth making heroes of the Chinese peasants Hoover vetoes Veteran Bonus 1929Saint Valentine's Day Massacre 1929Wall Street crash of 1929 occurs, resulting in the Great Depression. 1929St. Valentine's Day Massacre 1929March 4, 1929 – Hoover becomes the 31st president and Curtis becomes the 31st vice president. 1930London Naval Treaty 1930Castellammarese War 1930Sinclair Lewis is the first American to win Nobel Prize for Literature 1930Clyde Tombaugh discovers Pluto 1930The Great Depression in the United States continues to worsen, reaching a nadir in early 1933. 1930Hawley-Smoot Tariff 1930The Democrats take Congress in the Midterms. Will keep it until 1946. 1930The Motion Picture Production Code becomes set of industry censorship guidelines governing production of the vast majority of United States motion pictures released by major studios; is effective for 38 years 1930Frozen vegetables, packaged by Clarence Birdseye, become the first frozen food to go on sale 1932U.S. presidential election, 1932: Franklin D. Roosevelt elected president, John N. Garner elected vice president 1932Bonus Army marches on DC; repressed by President Hoover 1932Stimson Doctrine opposes Japanese expansion into Manchuria 1932Baby son of Charles Lindbergh was kidnapped and found dead 1932Reconstruction Finance Corporation finances relief 1932Norris-La Guardia Act strengthens labor unions 1933President Roosevelt establishes the New Deal, a response to the Great Depression, and focusing on what historians call the "3 Rs": relief, recovery and reform 1933United States government recognizes the Soviet Union 1933Agricultural Adjustment Act 1933Kansas City massacre 19331933 Long Beach earthquake 1933Frances Perkins appointed United States Secretary of Labor 1933San Francisco Ballet founded 1933Chicago Mayor Anton Cermak killed during a failed assassination attempt on President-elect Roosevelt by Giuseppe Zangara; the intended target was not wounded. 1933Over 12 million or 25% of Americans were unemployed 1933Emergency Banking Act 1933March 4, 1933 – Roosevelt becomes the 32nd president. He is the last president to be inaugurated on March 4. It also began his "Hundred Days". Garner becomes the 32nd vice president. He is the last vice president to be inaugurated on March 4. 193320th Amendment, establishing the beginning and ending of the terms of the elected federal offices. 193321st Amendment, ending Prohibition

KoreaKorea under Japanese rule 1910–1945

ChinaTaiwan 1912–1949

JapanShōwa era 1926–1989

United StatesUnited States 1776–

The Korean Patriotic Organization (KPO) is founded.
5월 16일 신간회 해소, 조선어 학회 창립, 한인 애국단 수립KO

1929Chōsen Exhibition
1929Gwangju Student Independence Movement
1932Hongkou Park Incident
1932January. The Sakuradamon incident occurs, in which KPO member Lee Bong-chang fails in his attempt to assassinate Emperor Hirohito in Tokyo.
1932이봉창·윤봉길 의거

Mukden incident
July - November — 1931 China floods: Flooding began in the valleys of the Yellow, Yangtze and Huai Rivers, which would claim as many as four million lives. As of 2024, it was the deadliest natural disaster ever recorded.
Japanese invasion of Manchuria
Tientsin Incident
November — The Chinese Soviet Republic was established in Ruijin.
1931 Fuyun earthquake
December — Chiang resigned under pressure from the KMT. Lin Sen became acting chairman of the Nationalist government.
中国第一辆汽车“民生牌75型”于奉天迫击炮厂下线。九一八事变，江桥抗战，東三省被日本关东军佔領。國民政府開始實行《建國大綱》的訓政時期計劃。中國共產黨在江西瑞京成立中華蘇維埃共和國（1931-1937），主張推翻中華民國國民政府和中國國民黨的統治。中国的几条主要河流如长江、珠江、黄河、淮河等都发生非常巨大的洪水，死亡人数估计到400万人。新疆富蕴县发生了8.0级地震，造成10,000人死亡。ZH
Encirclement campaign against the Northeastern Jiangxi Soviet

1929Baise Uprising
1929梁啟超逝。蒋桂战争。中东路事件。陕西大旱，80%的县受灾，估计死亡加逃亡人数达300万。12月28日古田会议召开。
19303月2日中国左翼作家联盟在上海市成立。3月24日汪精卫担任国民政府主席。中原大戰。中国工农红军第一方面军成立。中央苏区第一次反围剿战争。
1932January 28 incident
1932February — The independent state of Manchukuo was established on the territory of Japanese-occupied Manchuria.
1932February — Defense of Harbin: Japanese bombs and artillery forced the Jilin Self-Defence Army to retreat from Harbin.
1932January — Lin Sen became chairman of the Nationalist government.
19321932 Changma earthquake
1932March — Pacification of Manchukuo: The Big Swords Society rebelled en masse against the government of Manchukuo.
1932一二八事變日本攻占上海。3月1日《建国宣言》宣布滿洲國成立，溥仪成为满洲国皇帝。5月5日淞沪停战协定签订。
1933Defense of the Great Wall
1933Battle of Rehe
1933Battle of Kashgar
19331933 Diexi earthquake
1933Kizil massacre
1933Battle of Ürümqi
1933长城抗战。巴金在成都著《家》、《春》、《秋》三部曲。中央將北平故宮博物院重要古物南遷。國聯十九國委員會反對承認滿洲國，日本抨擊國聯。福州發生閩變事件，成立「中華共和國」（1933-1934）。四川茂县叠溪镇发生了7.5级大地震，近10,000人死亡。

서사이타마 지진
September — Japan invaded Manchuria in the aftermath of Mukden incident in Northeastern China.

1930London Naval Treaty
19301930 North Izu earthquake
1930October — Wushe incident, a rebellion on Taiwan, which was the last major uprising against colonial Japanese forces in Taiwan.
1932소련-일본 국경 분쟁
1932League of Blood Incident
1932May — Prime Minister Inukai Tsuyoshi is assassinated during the Japanese coup d'état.
1932January to 3 March — Shanghai incident begins and lasts only two months.
1932March — Manchukuo, a puppet state of Japan, is established.

Japanese invasion of Manchuria
Empire State Building opens in New York.
“The Star-Spangled Banner” becomes official U.S. national anthem
The Whitney Museum of American Art opens to the public in New York City.
1931 Valentine earthquake
Pearl Buck publishes The Good Earth making heroes of the Chinese peasants
Hoover vetoes Veteran Bonus

1929Saint Valentine's Day Massacre
1929Wall Street crash of 1929 occurs, resulting in the Great Depression.
1929St. Valentine's Day Massacre
1929March 4, 1929 – Hoover becomes the 31st president and Curtis becomes the 31st vice president.
1930London Naval Treaty
1930Castellammarese War
1930Sinclair Lewis is the first American to win Nobel Prize for Literature
1930Clyde Tombaugh discovers Pluto
1930The Great Depression in the United States continues to worsen, reaching a nadir in early 1933.
1930Hawley-Smoot Tariff
1930The Democrats take Congress in the Midterms. Will keep it until 1946.
1930The Motion Picture Production Code becomes set of industry censorship guidelines governing production of the vast majority of United States motion pictures released by major studios; is effective for 38 years
1930Frozen vegetables, packaged by Clarence Birdseye, become the first frozen food to go on sale
1932U.S. presidential election, 1932: Franklin D. Roosevelt elected president, John N. Garner elected vice president
1932Bonus Army marches on DC; repressed by President Hoover
1932Stimson Doctrine opposes Japanese expansion into Manchuria
1932Baby son of Charles Lindbergh was kidnapped and found dead
1932Reconstruction Finance Corporation finances relief
1932Norris-La Guardia Act strengthens labor unions
1933President Roosevelt establishes the New Deal, a response to the Great Depression, and focusing on what historians call the "3 Rs": relief, recovery and reform
1933United States government recognizes the Soviet Union
1933Agricultural Adjustment Act
1933Kansas City massacre
19331933 Long Beach earthquake
1933Frances Perkins appointed United States Secretary of Labor
1933San Francisco Ballet founded
1933Chicago Mayor Anton Cermak killed during a failed assassination attempt on President-elect Roosevelt by Giuseppe Zangara; the intended target was not wounded.
1933Over 12 million or 25% of Americans were unemployed
1933Emergency Banking Act
1933March 4, 1933 – Roosevelt becomes the 32nd president. He is the last president to be inaugurated on March 4. It also began his "Hundred Days". Garner becomes the 32nd vice president. He is the last vice president to be inaugurated on March 4.
193320th Amendment, establishing the beginning and ending of the terms of the elected federal offices.
193321st Amendment, ending Prohibition