During the Winter War, the amount of Soviet Union soliders that died or went missing was five times more than Finland's.
During WWII, in 1945, the United States dropped atomic bombs on the two Japanese cities of Hiroshima and what other city?
Who invented the "Flying Shuttle" in 1738; one of the key developments in the industrialization of weaving?
The Tsar Bomba, the most powerful nuclear bomb ever tested, had a yield of 50 megatons but theoretically had a maximum yield of how much?
Which naval battle was considered the turning point of the Pacific Ocean Theater during World War 2?
Spain was formed in 1469 with the marriage of Isabella I of Castile and Ferdinand II of what other Iberian kingdom?