What happened on December 20 in history?
753 Tang Dynasty Empression Jianzhen traveled to Japan
1722 Qing Dynasty The fourth emperor Saint Zuren Emperor Aisin Gioro Xuanye Death
1803 As part of Louisiana land purchase case, France officially handed over New Orleans to the United States
1830 American poet Emily Dickinson was born
1860 During the American Civil War, South Carolina State became the first state to announce its separation from the United States
1876 American astronomer Walter Sidney Adams was born
1917 All-Russian anti-counterfeiting committee was established
1927 Former South Korean president Jin Yongsan was born
1940 Nazi Germany , Italy kingdom and Great Japanese empire established Three Kingdoms treaty Joint Science and Technology Commission
1941 led by Chennard members of the US Flying Tigers successfully intercepted the Japanese bomber fleet
1945 George Carterwitt Marshall came to China to mediate the dispute between the Kuomintang and the Communist Party of China
1946 Ho Chi Minh published the "Civil War of Resistance" to oppose France's rule in Vietnam
1948 Tianjin battle began
1949 Taiwan literary writer Hong Xingfu was born
1951 The EBR-I nuclear reactor in Aco, Idaho, USA began to operate, which is the first time that humans used nuclear energy to generate electricity
1957 The first flight of the Boeing 707 developed by Boeing in the United States was the first successful jet civil aviation aircraft
1958 China and Algeria established diplomatic relations
1960 Vietnam Southern National Liberation Front ( Vietnamese Communist Party ) established
1963 "Auschwitz Concentration Camp Case" was held in trial
1967 movie actor Guan Hongda died
1968 American novelist John Steinbeck died
1970 A large-scale riot occurred in Ryukyu under the rule of the United States, which was for the "Hucha Riot"
1973 Eta organized the assassination of Spanish Prime Minister Luis Carrero Blanco
1971 Two groups of French humanitarian aid teams jointly formed MSF , and invested in Nicaragua and Managua treatment work the next year
1977 The Second Chinese Character Simplification Plan (Draft) was announced in newspapers such as " People's Daily " and other newspapers
1978 program host Patten Hou was born
1982 American Polish piano master Artur Rubinstein died
1986 Aesthetics Zong Baihua Die
1989 US sends troops to Panama
1989 The plan to reside in the UK is announced
1995 NATO peacekeeping forces entered Bosnia and Herzegovina
1995 American Airlines Flight 965, which flew from Miami to Colombia, USA, crashed into a mountain near Buga, Colombia, causing 159 deaths,
1999 Macau returned and established the Macau Special Administrative Region
1999 The Supreme Court of Vermont in the United States decided that homosexual couples should enjoy equal civil rights with heterosexual couples after marriage
2003 9 Guangxi Railway , a subsidiary of Hong Kong Kowloon Railway Company, was opened to traffic (now the MTR Tunma Line)
2005 The Asia International Expo, located north of Hong Kong International Airport , officially opened to traffic
2009 Hong Kong Ang Chuanzhou Bridge , officially opened to traffic
2009 Hong Kong Ang Chuanzhou Bridge , officially opened to traffic
2009 The new campus of the University of Macau started construction on Hengqin Island
