1900 Russian troops killed more than 5000 people in China in the blue ocean. The last czar and his family were executed. 1922 the second national congress of China was held. 1923 Puyi abolished palace eunuchs. 1935 Zheng Qiuzheng is dead. 1940 British air combat photo album (2) 1940 British air combat photo album (4) 1940 British air combat photo album (3) 1940 Hitler released the "sea lion plan" and the British air combat began. 1940 the Japanese army made a tragedy in Yongning, Fujian. 1945 Chiang Kai-shek launched a massive attack on the Jiangsu-Anhui liberated areas. The first atomic bomb was successfully tested. 1946 ss members of the marmedi massacre were sentenced. A warship 195 1 Baudouin I, the fifth Belgian king, ascended the throne 1967 American railway workers went on strike 1968 China botanist Hu Xiansu died 1979 Saddam became the president of the Iraqi Republic 1985 A group of teenagers invaded the Pentagon computer 6548. Karajan passed away 1990 Long March II bundled launch vehicle was successfully launched 1993 The first plenary meeting of the Preparatory Committee of the Hong Kong Special Administrative Region was launched in full swing in the Xiaolangdi main project of the Yellow River 1994 comet hit Jupiter 1995 Saddam Hussein spared the American hostages and was allowed to return home. 49636.666666666666