971-War elephant corps of the Southern Han defeated at Shao by crossbow fire from Song Dynasty troops forcing the Southern Han state to submit to the Song Dynasty. First regular war elephant corps in the Chinese army. 1368-In a coronation ceremony, Zhu Yuanzhang, aged 40, ascends to the throne of China as the Hongwu Emperor, initiating Ming Dynasty rule over China that lasts for three centuries 1556-Shaanxi Earthquake, the deadliest ever recorded, kills 830,000 in Shaanxi Province, China 1950-Israeli Knesset declares Jerusalem the capital of Israel 1973-U.S. President Richard Nixon announces an accord has been reached to end the Vietnam War 1978-Sweden becomes the first nation in the world to ban aerosol sprays, due to their harmful effect on the earth's ozone layer 2020-China locks down the city of Wuhan and its 9 million people in a belated but ultimately successful effort to control the city's COVID-19 outbreak