Two later attempts represented the enthusiasm of Libya's Muammar Gaddafi, the Federation of Arab Republics, which lasted five years, and the Arab Islamic Republic, which never emerged in practice. Aside from the forcible unification of much of the Arabian Peninsula by the Saudi rulers of Najd during the 1920s, the unity of seven Arab emirates that form the United Arab Emirates and the unification of North Yemen and South Yemen stand today as rare examples of actual unification. The current Syrian government is and the former government of Iraq was led by rival factions of the Ba'ath Party, which continues to espouse pan-Arabism and is organized in several other countries.