1) The fall of the Berlin Wall in 1989 symbolized the end of the Cold War and the reunification of East and West Germany.

2) The insurance industry employs a wide range of professionals, including underwriters, actuaries, claims adjusters, and insurance agents.

3) Male seahorses are the ones who give birth to their offspring.

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