1917-Apr-02 President Woodrow Wilson asked Congress to declare war against Germany
1964-Dec-12 Kenya became a republic
1807-Aug-17 Innovation of the steamboat
1808-Jan-01 The slave trade became illegal when the United States enacted a law banning the importation of slaves
1996-Mar-17 Sri Lanka won the Cricket World Cup
1895-Nov-08 German physicist Wilhelm Conrad Röntgen discovered X-Rays
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
1964-Jun-12 Nelson Mandela was sentenced to life in prison
1835-Dec-29 The Treaty of New Echota was signed between the United States Government and representatives of a minority Cherokee Political Faction
1903-Nov-06 The USA recognized the independence of Panama
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
1814-Jul-25 Innovation of the steam locomotive (engine)
1921-Jul-01 The Communist Party of China (CPC) was formed, and Chen Duxiu was elected its leader