1835-Dec-29 The Treaty of New Echota was signed between the United States Government and representatives of a minority Cherokee Political Faction
1924-Dec-30 Astronomer Edwin Hubble formally announced that the Milky Way is just one of many galaxies in the universe
1973-Oct-20 Queen Elizabeth II opened the Sydney Opera House
1996-Mar-17 Sri Lanka won the Cricket World Cup
1994-Jan-01 The implementation of the North American Free Trade Agreement
1964-Dec-12 Kenya became a republic
1956-Mar-03 Dutch swimmer Cockie Gastelaars broke two decades' world record for 100m freestyle
1924-Jan-25 The first Winter Olympic Games opened in Chamonix, France
1999-Jan-01 The Euro became the official currency in 11 European countries
1940-May-10 Winston Churchill became British Prime Minister, replacing Neville Chamberlain
1932-Dec-27 Radio City Music Hall opened in New York City
1903-Dec-17 Innovation of the aeroplane
1997-Jul-01 The United Kingdom returned Hong Kong to the People's Republic of China
