1) The Russian Revolution in 1917 resulted in the overthrow of the monarchy and the establishment of a communist government under Vladimir Lenin.

2) The windshield wipers were invented by a woman named Mary Anderson in 1903.

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) Insurance premiums are the payments made by policyholders to insurance companies in exchange for coverage.