 In 1980, of the 37,700 ethnic Armenians in Los Angeles who were born outside of the United States, 7,700 came from Iran, outnumbering all other migrations of Armenians from any other nation.As of 1980 about 70% of ethnic Armenian immigrants from the former Soviet Union, Iran, and Lebanon had arrived between 1975 and 1980.The 15-year-long Lebanese Civil War that started in 1975 and the Iranian revolution of 1979 greatly contributed to the influx of Middle Eastern Armenians to the US.