1964-Jun-12 Nelson Mandela was sentenced to life in prison
1994-May-10 Nelson Mandela sworn in as the first black president of South Africa
2018-Jun-12 The 2018 North Korea–United States Summit was held in Singapore
1836-Dec-28 Spain recognized the independence of Mexico by signing the Santa María–Calatrava Treaty
1945-Oct-24 The United Nations was officially established
1863-Jan-01 President Abraham Lincoln signed the Emancipation Proclamation
1895-Nov-08 German physicist Wilhelm Conrad Röntgen discovered X-Rays
1994-Jan-01 The implementation of the North American Free Trade Agreement
1945-Dec-27 International Monetary Fund was formally established by 29 member countries
1940-May-10 Winston Churchill became British Prime Minister, replacing Neville Chamberlain
2018-Jun-18 WHO officially announced it will categorize gaming addiction as a mental health condition
1974-Jan-02 President Richard Nixon signed the national speed limit into law
1804-Jan-01 Haiti declared its independence from France
1965-Aug-06 United States President Lyndon B. Johnson signed the Voting Rights Act into law
1924-Dec-30 Astronomer Edwin Hubble formally announced that the Milky Way is just one of many galaxies in the universe