Women’s Day: When was it first celebrated – See photos of events around the world since 1917
The first celebration of Women's Day took place on February 28, 1909 in New York City - The United Nations began celebrating International Women's Day in the International Women's Year 1975
Which Countries Have Been to the Moon? (infographic)
USA leads
60 years ago the USSR tests the “Tsar Bomba” (video)
The blast was more powerful than 50 million tons of TNT & was felt hundreds of miles away!