171. What was the code name for the German invasion of the Soviet Union in WW2?
172. After his loss at the Battle of Waterloo, Napoleon Bonaparte was exiled to which island?
173. Which country was Josef Stalin born in?
174. Spain was formed in 1469 with the marriage of Isabella I of Castile and Ferdinand II of what other Iberian kingdom?
175. During the Roman Triumvirate of 42 BCE, what region of the Roman Republic was given to Lepidus?