This military alliance was formed on May 14, 1955.
- The Warsaw Pact
- North Atlantic Treaty Organization
- South East Asia Treaty Organization
- The Rio Pact
This military alliance was formed on May 14, 1955.
The Warsaw Pact. Officially the Treaty of Friendship, Co-operation, and Mutual Assistance, the Pact was formed to be an East Bloc counterweight to the earlier formed NATO Alliance. The Warsaw pact was official dissolved in 1991.