Complex sentence: The Armenian Red Army was a small militant organization, which organized a single unsuccessful attack against the Turkish Consul General, Kemalettin Demirer on 1 July 1982 in Rotterdam, Netherlands.
Split into simpler sentences: The Armenian Red Army was a small militant organization, which organized a single unsuccessful attack against a Turkish diplomat. The group attacked Kemalettin Demirer on 1 July 1982 in Rotterdam, Netherlands.