1994 Nelson Mandela sworn in as the first black president of South Africa
1940 Winston Churchill became British Prime Minister, replacing Neville Chamberlain
1963 President John F. Kennedy signed the United States Equal Pay Act into law
1895 German physicist Wilhelm Conrad Röntgen discovered X-Rays
1901 Guglielmo Marconi sent and received the first wireless message across the Atlantic Ocean
1836 Spain recognized the independence of Mexico by signing the Santa María–Calatrava Treaty
1964 United States President Lyndon B. Johnson signed the Civil Rights Act into law
1997 The United Kingdom returned Hong Kong to the People's Republic of China
2018 WHO officially announced it will categorize gaming addiction as a mental health condition
1814 Innovation of the steam locomotive (engine)
1903 Innovation of the aeroplane
1990 Panamanian dictator Noriega surrendered to the United States
1876 Innovation of the telephone
1917 President Woodrow Wilson asked Congress to declare war against Germany