- January. Cho Man-sik, Kim's main rival for leadership in the North, is removed from office and placed under house arrest by the Soviets.EN
- 남조선과도입법의원EN
- February. The Provisional People's Committee of North Korea is established, and Kim Il Sung is made its chairman. While it supposedly represents all political groups in the North, it is dominated by the Soviet-backed Communist Party.EN
- 3월 20일 제1차 미소공동위원회 개최KO
- 2월 8일 북조선임시인민위원회 창설KO
- 1월 15일 남조선국방경비대 창설KO
- 6월 3일 이승만이 정읍발언을 함KO
- July. North Korea creates its first film: Our Construction.EN
- 1944Starting in 1944, Japan started the conscription of Koreans into the armed forces.
- 1944징병제, 여자 정신 근로령 제정
- 1945雅尔塔会议
- 194517 August. The Seishin Operation is fought between the Soviet Union and Japan, with the Soviets winning.
- 1945August. Soviet troops begin their first military operation in Korea, and land in Unggi County (later renamed Sonbong-guyok). Chŏng Sangjin is the only ethnic Korean among the Soviet troops there.
- 1945September. Before both trusteeships are well-established, Lyuh Woon-hyung establishes an independent People's Republic of Korea that incorporates both left- and right-leaning politicians. However, its activities are quickly suppressed and it never gains recognition from either the USSR or US.
- 1945August. The General Order No. 1, drafted by the United States, specified the division of Korea at the 38th parallel. Stalin did not object to the terms.
- 1945October. The League of Koreans in Japan is established.
- 1945July. The Bumingwan bombing incident [ja] occurs at the building Bumingwan in Seoul.
- 1945(before liberation)
- 19458월 15일 일제 패망으로 광복, 조선인민공화국 수립, 군정청 설치
- 1945(after liberation)
- 1945September. Kim Il Sung returns to the Korean peninsula with the Soviets.
- 1947November. The United Nations passes General Assembly Resolution 112, which creates the United Nations Temporary Commission on Korea. The Soviets dispute the authority of the commission and ignore it.
- 1947July. Lyuh Woon-hyung, whom some Americans had been eyeing as a more moderate alternative candidate for leadership in the South, is assassinated by a member of the far-right terrorist group the White Shirts Society.
- 19472월 북조선인민위원회 창설
- 19475월 21일 제2차 미소공동위원회 개최
- 1948濟州四·三事件
- 1948November. The South Korean National Assembly passes the National Security Law. The law has been consistently criticized for its broad scope and historical use by South Korean dictatorships to quash political resistance.
- 19487월 17일 대한민국 헌법이 공포됨
- 19489월 9일 조선민주주의인민공화국 정부 수립
- 19485월 10일 남한 총선거
- 19488월 15일 대한민국 정부 수립
- 1948May. Despite significant controversy, elections for the National Assembly are held in South Korea, and Syngman Rhee becomes its chair.
- 194810월 19일 여수·순천 사건 일어남
| - July — Chinese Civil War: The NRA invaded PLA-held territory en masse.EN
- Battle of SipingEN
- 张家口战役
- 1946年新化地震
- 1月5日承认外蒙古独立。第二次國共內戰起。詩人聞一多被殺。《中華民國憲法》通過。《中美友好通商航海条约》签订。
- 1944Ili Rebellion
- 1944桂柳会战
- 1944松山战役
- 1944Battle of Hengyang
- 1944豫中会战
- 1944豫湘桂會戰。盟軍轟炸機首次從成都起飛轟炸日本本土及日軍佔領區,共1614架次。11月10日汪精卫逝。
- 1944May — Battle of Changsha: The Japanese army launched a general offensive against Changsha.
- 1945September — Surrender of Japan: Japanese forces in China formally surrendered to Chiang Kai-shek.
- 1945June — The United Nations Charter establishing the United Nations (UN) was signed at the San Francisco War Memorial and Performing Arts Center by fifty nations including China.
- 1945August — Atomic bombings of Hiroshima and Nagasaki: As many as eighty thousand Japanese, largely civilians, were killed in the atomic bombing of Hiroshima by a United States aircraft.
- 1945갈근묘 학살
- 1945October — Surrender of Japan: China regains control of Taiwan from Japan and was proclaimed as Retrocession Day. Chen Yi of the Kuomintang was appointed Chief Executive.
- 1945中共七大召開,毛澤東當選中國共產黨中央委員會主席。苏联武装军事占领滿洲地区。國軍陸軍總司令何應欽將軍代表同盟國在南京市接受日軍投降,抗日戰爭結束。因受降接收问题发生国共冲突,國共和談後簽訂雙十協定。中華民國國民政府根据中蘇友好同盟條約,宣布承認外蒙古獨立,并隨後表示支持蒙古人民共和國加入聯合國。昆明五华山事件。
- 1945November — Campaign to Suppress Bandits in Northeast China: The Communist People's Liberation Army (PLA) launched a campaign against bandits and KMT guerillas in northeast China.
- 1947December — The Constitution of the Republic of China came into force, dissolving the Nationalist government and renaming the NRA the Republic of China (ROC) Armed Forces.
- 1947正太战役
- 1947February — February 28 Incident: Nationalist forces violently suppressed an anti-government protest in Taiwan Province.
- 1947《中華民國憲法》公布,正式施行憲政。国民革命军实行軍隊國家化,改称中華民國國軍。北塔山事件。鲁南战役。中华民国国军攻入延安。臺灣發生二二八事件。
- 1948창춘 포위전
- 1948锦州战役
- 1948济南战役
- 19481948年理塘地震
- 1948November — Liaoshen Campaign: The last ROC garrison in Manchuria, in Yingkou, retreated in the face of a PLA advance.
- 1948蔣中正當選行憲後第一任中華民國總統,國民政府改组成立中華民國政府。金圓券風暴。上海《观察》杂志被查封。中国人民解放军通过三大战役(三大会战)重创中华民国国军,国共双方军事实力反转。
- 1948December — Huaihai Campaign: The PLA encircled an ROC army in Xuzhou.
| - January — Just five months after his arrival in Japan, the Supreme Commander of the Allied Powers, General Douglas MacArthur orders the Japanese government to expel all militarists from positions of power. The disbandment of all ultra-nationalist organizations is also demanded.EN
- November — Constitution of Japan is promulgated.EN
- May — Tokyo Tsushin Kogyo, the predecessor of Sony, is founded.EN
- May — In the controversial International Military Tribunal for the Far East, the prosecution began of Japanese military leaders for war crimes.EN
- May — Shigeru Yoshida receives Imperial Order to form a cabinet.EN
- April — Sazae-san is first published.EN
- June — Emperor Hirohito submits a revision of the Imperial Constitution to the National Diet.EN
- Japanese economic miracle begins.EN
- May — Yoshida's cabinet is announced.EN
- March — Kose Cosmetics is founded in Oji region, Tokyo, as predecessor name was Kobayashi Kose Cosmetics.EN
- August — Keidanren is established.EN
- January — During the New Year's Day, Emperor Shōwa renounces his divinity, known in Japanese as the Human Declaration.EN
- 1944菲律賓海海戰
- 1944昭和東南海地震
- 1944to 20 October — Formosa Air Battle begins.
- 1944to 16 June — Bombing of Yawata begins in Kyoto Prefecture.
- 1944July to 10 August — Second Battle of Guam begins.
- 1944June to 9 July — Battle of Saipan begins in the Mariana Islands.
- 1944to 31 December — Battle of Pearl Ridge begins.
- 1945硫磺岛战役
- 1945沖繩島戰役
- 1945日本投降
- 1945月 同盟国ドイツが連合国に降伏。
- 1945蘇日戰爭
- 1945August — Soviet invasion of Manchuria starts and continues on as the Kuril Islands dispute.
- 1945月 連合国がポツダム宣言発表。
- 1945月3日 ソビエト連邦が北方領土占領。
- 1945月 選挙法改正により女性参政権が確立。日本共産党の合法化。
- 1945宫城事件
- 1945月10日 東京大空襲。
- 1945父岛事件
- 1945占守岛战役
- 1945月 米軍が沖縄本島に上陸
- 1945三河地震
- 1945요코스카 공습
- 1945月 米軍が慶良間諸島に上陸し、沖縄戦開始。
- 1945月9日 長崎市への原子爆弾投下。
- 1945月6日 広島市への原子爆弾投下。
- 1945牡丹江战役
- 1945月14日 ポツダム宣言受諾。
- 1945月10日 ポツダム宣言受諾の決定。
- 1945Soviet assault on Maoka
- 1945미즈호 학살 사건
- 1945가미시스카 학살 사건
- 1945Soviet assault on Toro
- 1945月 財閥解体指令。日本社会党結成。
- 1945February — U.S. Marines land on Iwo Jima.
- 1945March — American Armed Forces win the Battle of Iwo Jima, defeating the last remaining troops led by Tadamichi Kuribayashi.
- 1945and 9 August — Atomic bombing of Hiroshima and Nagasaki in Japan during the final period of World War II.
- 1945March and 24 May — Two Bombings of Tokyo begins.
- 1945月2日 降伏文書調印。
- 1947August — Supreme Court of Japan is established.
- 1947May — The Constitution of Japan goes into the effect. This country will start the transition from the Empire of Japan to the State of Japan (Nihon Koku, 日本国) with a Liberal Democracy. The Article 9 turned Japan into a pacifist country without a military, known as East Asia or Asia-Pacific country.
- 1947March — Sekisui Chemical is founded.
- 1948福井地震
- 1948阪神教育事件
| - 雅典之战
- 1946年加利福尼亚州第十二国会选区选举
- Benjamin Spock's The Common Sense Book of Baby and Child Care publishedEN
- United States Atomic Energy Act of 1946EN
- Employment ActEN
- Philippines regain independence from the U.S.EN
- President's Committee on Civil RightsEN
- 1944June 6, 1944 – D-Day. Operation Overlord begins.
- 1944卡西諾山戰役
- 1944貝里琉戰役
- 1944敦巴顿橡树园会议
- 1944塞班島戰役
- 1944關島戰役
- 1944天寧島戰役
- 1944雷伊泰島戰役
- 1944Battle of Eniwetok
- 1944G.I. Bill
- 1944포트 시카고 참사
- 1944U.S. presidential election, 1944: Franklin D. Roosevelt reelection for a fourth term, becomes the only U.S. president elected four times. Harry S. Truman is elected vice president
- 1944Cornwall–Massena earthquake
- 1944Japanese air attacks on the Mariana Islands
- 1944January 20, 1945 – President Roosevelt begins fourth term; Truman becomes the 34th vice president
- 1945硫磺岛战役
- 1945沖繩島戰役
- 1945日本投降
- 1945聯合國國際組織會議
- 1945August 6 and 9, 1945 – Atomic bombings of Hiroshima and Nagasaki
- 1945Tennessee Williams’s play The Glass Menagerie opens in New York
- 1945Jungholzhausen massacre
- 1945Utah prisoner of war massacre
- 1945May 8, 1945 – Germany surrenders, end of World War II in Europe
- 1945due to inflation and working conditions, nationwide labor strikes begin.
- 19451949 – Nuremberg Trials and Subsequent Nuremberg Trials
- 1945April 12, 1945 – President Roosevelt dies, Vice President Truman becomes the 33rd US president
- 1945Carousel opens on Broadway
- 1947General Agreement on Tariffs and Trade (GATT)
- 1947Marshall Plan drafted
- 1947National Security Act of 1947
- 1947Truman Doctrine establishes "the policy of the United States to support free peoples who are resisting attempted subjugation by armed minorities or by outside pressures"
- 1947Jackson Pollock begins painting his most famous series of paintings called the drip paintings in Easthampton, New York
- 1947First broadcast of Meet the Press
- 1947Jackie Robinson breaks color barrier in baseball
- 1947Presidential Succession Act
- 1947Studebaker becomes the first automobile manufacturer to introduce a "post-war" model; most automakers wait until 1948 or 1949
- 1947World Series is broadcast live on television for the first time
- 1947Taft Hartley Act
- 1947Polaroid camera invented
- 1947U.F.O. crash at Roswell, New Mexico
- 1948Berlin Blockade
- 1948U.S. presidential election, 1948: Harry S. Truman is elected president for a full term, Alben W. Barkley is elected vice president
- 1948Organization of American States: Alliance of North America and South America
- 1948Alger Hiss Case
- 1948Republican National Convention
- 1948The Texaco Star Theater, starring Milton Berle, becomes the first major successful U.S. television program; The Toast of the Town also debuts
- 1948Truman desegregates armed forces
- 1948Selective Service Act of 1948: Passed after first such act expired
- 1948January 20, 1949 – President Truman begins full term, Barkley becomes the 35th vice president
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