The Battle of Kursk, the climax of Operation Citadel, involved up to 6,000 tanks, 4,000 aircraft and 2 million fighting ...

Allied intelligence confirmed that Nazi Germany was developing “vengeance” weapons, including the V-2 long-range rocket, at Peenemünde on the Baltic Sea.

If you’re coming to Chicago to see a Cubs game... definitely check out these other things the city has to offer.