1) The International Monetary Fund (IMF) and the World Bank are international financial institutions that work to promote global financial stability and economic development.

2) The blue whale is the largest animal to have ever existed, with an average length of about 82 feet (25 meters).

3) The Cuban Missile Crisis in 1962 brought the United States and the Soviet Union to the brink of nuclear war during the Cold War.

4) The national animal of Canada is the beaver.