After the fall of the Communists in 1989, Poland joined NATO in 1999 & this economic group of nations on May 1, 2004
... European communist countries had a 
looser economic grouping with the... [DOC] [TLE] Revolutions of 1989 - Wikipedia [PAR] The Revolutions of 1989 were part of a revolutionary wave in the late 1980s and 
early 1990s ....