- 
  
  The formation of NATO in 1949 helped unify many European nations in a strong military alliance with the United States and Canada.
 - 
  
  in 1954 the U.S Supreme Court ruled in brown v board of education.that the segregation of public schools had to end.
 - 
  
  In 1957 six European nations founded the European Economic Community, also known as The Common Market.
 - 
  
  In the 1960's the counterculture a rebellion of teenagers and young adults against mainstream american society.
 - 
  
  This movement featured a growing nationalism among french-speaking residents of Quebec as well as a seperation of Quebec from Canada.
 - 
  
  In 1964 the U.S congress passed the Civil Rights Act , and the following year the Voting Rights Act.
 - 
  
  In 1980 Polish electrician Lech Walesa led hundreds of thousands of workers in an anti-government protest movement known as solidarity.
 - 
  
  In Czechoslovakia the Velvet Revolution so called it because it was peaceful, pushed the communists out of power.
 - 
  
  The 1989 fall of the Berlin wall and the collapse of soviet-backed regimes in eastern europe showed the dramatic crumbling of soviet power.
 - 
  
  Twelve of the republics eventually united in a loose conferderation known as the common wealth of the independent states