朝鮮民主主義人民共和国　歴代最高指導者

Can you name the 15 most populous South American cities with the help of a map?

20 random countries have been removed from the map of the world! Can you identify them in 3 minutes?

Italy has declared war 18 times on 16 unique countries. What were the countries?

For each disputed territory, name any of the countries which claims it.