Complex sentence: When Iran's first presidential election took place in 1980, Rajavi nominated himself and alongside his own People's Mujahedin of Iran, he was endorsed by People's Fedai, National Democratic Front, Democratic Party of Kurdistan, Komala and League of Iranian Socialists.
Split into simpler sentences: When Iran's first presidential election took place in 1980, Rajavi nominated himself and his own People's Mujahedin of Iran. He was endorsed by the People's Fedai, the National Democratic Front, the Democratic Party of Kurdistan, Komala and the League of Iranian Socialists.