1895-Nov-08 German physicist Wilhelm Conrad Röntgen discovered X-Rays
1973-Oct-20 Queen Elizabeth II opened the Sydney Opera House
1959-Jan-01 Cuban dictator Fulgencio Batista ousted by Castro-led revolution
1917-Apr-02 President Woodrow Wilson asked Congress to declare war against Germany
1903-Dec-17 Innovation of the aeroplane
1863-Jan-01 President Abraham Lincoln signed the Emancipation Proclamation
2018-Jun-18 WHO officially announced it will categorize gaming addiction as a mental health condition
1964-Jul-02 United States President Lyndon B. Johnson signed the Civil Rights Act into law
1814-Jul-25 Innovation of the steam locomotive (engine)
1956-Mar-03 Dutch swimmer Cockie Gastelaars broke two decades' world record for 100m freestyle
1990-Jan-03 Panamanian dictator Noriega surrendered to the United States
1926-Jan-26 John Logie Baird gave the first public demonstration of a live television system
1964-Dec-12 Kenya became a republic
1994-May-10 Nelson Mandela sworn in as the first black president of South Africa