1807 Innovation of the steamboat
1804 Haiti declared its independence from France
2002 The Legislative Assembly appointed Eduardo Duhalde as interim President of Argentina
1940 Winston Churchill became British Prime Minister, replacing Neville Chamberlain
1994 The implementation of the North American Free Trade Agreement
1921 The Communist Party of China (CPC) was formed, and Chen Duxiu was elected its leader
1994 Nelson Mandela sworn in as the first black president of South Africa
1917 President Woodrow Wilson asked Congress to declare war against Germany
1836 Spain recognized the independence of Mexico by signing the Santa María–Calatrava Treaty
1956 Dutch swimmer Cockie Gastelaars broke two decades' world record for 100m freestyle
1997 The United Kingdom returned Hong Kong to the People's Republic of China
2003 The Spirit Rover was launched by NASA to start the Mars Exploration Rover mission
2018 WHO officially announced it will categorize gaming addiction as a mental health condition
1895 German physicist Wilhelm Conrad Röntgen discovered X-Rays