1901 Guglielmo Marconi sent and received the first wireless message across the Atlantic Ocean
1903 Innovation of the aeroplane
1814 Innovation of the steam locomotive (engine)
1945 International Monetary Fund was formally established by 29 member countries
1940 Winston Churchill became British Prime Minister, replacing Neville Chamberlain
1932 Radio City Music Hall opened in New York City
1963 President John F. Kennedy signed the United States Equal Pay Act into law
1921 The Communist Party of China (CPC) was formed, and Chen Duxiu was elected its leader
1997 The United Kingdom returned Hong Kong to the People's Republic of China
1994 Nelson Mandela sworn in as the first black president of South Africa
1965 United States President Lyndon B. Johnson signed the Voting Rights Act into law
1836 Spain recognized the independence of Mexico by signing the Santa María–Calatrava Treaty