The Revolution marked a significant period in Nicaraguan history and revealed the country as one of the major proxy war battlegrounds of the Cold War with the events in the country rising to international attention. Although the initial overthrow of the Somoza regime in 1978–79 was a bloody affair, the Contra War of the 1980s took the lives of tens of thousands of Nicaraguans and was the subject of fierce international debate. During the 1980s both the FSLN (a leftist collection of political parties) and the Contras (a rightist collection of counter-revolutionary groups) received large amounts of aid from the Cold War super-powers (respectively, the Soviet Union and the United States).