apr 6, 1947 - Rio Treaty
Description:
The Inter-American Treaty of Reciprocal Assistance was an agreement signed in 1947 in Rio de Janeiro among many countries of the Americas. The central principle contained in its articles is that an attack against one is to be considered an attack against them all; this was known as the "hemispheric defense" doctrine.Added to timeline:
Date:
apr 6, 1947
Now
~ 78 years ago