1997-Jul-01 The United Kingdom returned Hong Kong to the People's Republic of China
1921-Jul-01 The Communist Party of China (CPC) was formed, and Chen Duxiu was elected its leader
1863-Jan-01 President Abraham Lincoln signed the Emancipation Proclamation
1901-Dec-12 Guglielmo Marconi sent and received the first wireless message across the Atlantic Ocean
1835-Dec-29 The Treaty of New Echota was signed between the United States Government and representatives of a minority Cherokee Political Faction
2018-Jun-12 The 2018 North Korea–United States Summit was held in Singapore
1808-Jan-01 The slave trade became illegal when the United States enacted a law banning the importation of slaves
1997-Jul-01 The United Kingdom returned Hong Kong to the People's Republic of China
2002-Jan-02 The Legislative Assembly appointed Eduardo Duhalde as interim President of Argentina
1926-Jan-26 John Logie Baird gave the first public demonstration of a live television system
1932-Dec-27 Radio City Music Hall opened in New York City
2003-Jun-10 The Spirit Rover was launched by NASA to start the Mars Exploration Rover mission
1836-Dec-28 Spain recognized the independence of Mexico by signing the Santa María–Calatrava Treaty
1973-Oct-20 Queen Elizabeth II opened the Sydney Opera House
1964-Dec-12 Kenya became a republic
1903-Dec-17 Innovation of the aeroplane
1959-Jan-01 Cuban dictator Fulgencio Batista ousted by Castro-led revolution
