246. Who crowned Charlemagne as Holy Roman Emperor on Christmas Day in 800?
247. Pianist Frédéric Chopin was a composer of which musical era?
248. What is the name of the ship which was only a few miles away from the RMS Titanic when it struck an iceberg on April 14, 1912?
249. What was the bloodiest single-day battle during the American Civil War?
250. When was the Grand Patriotic War in the USSR concluded?