1804-Jan-01 Haiti declared its independence from France
1994-May-10 Nelson Mandela sworn in as the first black president of South Africa
1964-Dec-12 Kenya became a republic
1940-May-10 Winston Churchill became British Prime Minister, replacing Neville Chamberlain
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
1949-Dec-27 Queen Juliana of the Netherlands signed the papers to grant independence to Indonesia
1767-Dec-28 King Taksin was crowned King of Thailand (Siam)
1836-Dec-28 Spain recognized the independence of Mexico by signing the Santa María–Calatrava Treaty
1835-Dec-29 The Treaty of New Echota was signed between the United States Government and representatives of a minority Cherokee Political Faction
1993-Jan-01 Czechoslovakia was divided into two independent states
1959-Jan-01 Cuban dictator Fulgencio Batista ousted by Castro-led revolution
1863-Jan-01 President Abraham Lincoln signed the Emancipation Proclamation
1945-Oct-24 The United Nations was officially established
1990-Jan-03 Panamanian dictator Noriega surrendered to the United States
2002-Jan-02 The Legislative Assembly appointed Eduardo Duhalde as interim President of Argentina
1917-Apr-02 President Woodrow Wilson asked Congress to declare war against Germany
1964-Jun-12 Nelson Mandela was sentenced to life in prison
2018-Jun-12 The 2018 North Korea–United States Summit was held in Singapore
1903-Nov-06 The USA recognized the independence of Panama
1991-Jul-10 Boris Yeltsin was sworn in as the first elected President of Russia
1974-Jan-02 President Richard Nixon signed the national speed limit into law
1924-Jan-25 The first Winter Olympic Games opened in Chamonix, France
1807-Aug-17 Innovation of the steamboat
1964-Jul-02 United States President Lyndon B. Johnson signed the Civil Rights Act into law
1956-Mar-03 Dutch swimmer Cockie Gastelaars broke two decades' world record for 100m freestyle
1901-Dec-12 Guglielmo Marconi sent and received the first wireless message across the Atlantic Ocean
1924-Dec-30 Astronomer Edwin Hubble formally announced that the Milky Way is just one of many galaxies in the universe
1876-Mar-07 Innovation of the telephone
1895-Nov-08 German physicist Wilhelm Conrad Röntgen discovered X-Rays
1932-Dec-27 Radio City Music Hall opened in New York City
1945-Dec-27 International Monetary Fund was formally established by 29 member countries
1963-Jun-10 President John F. Kennedy signed the United States Equal Pay Act into law
2018-Jun-18 WHO officially announced it will categorize gaming addiction as a mental health condition
1903-Dec-17 Innovation of the aeroplane
1973-Oct-20 Queen Elizabeth II opened the Sydney Opera House