overthrowing of Haile Selassie by the communist junta led by General Aman Andom and Mengistu Haile Mariam, ending one of the world's longest-lasting monarchies in history. 1974 – (25 April) Carnation Revolution in Portugal started as a military coup organized by the Armed Forces Movement (Portuguese: Movimento das Forças Armadas, MFA) composed of military officers who opposed the Portuguese fascist regime, but the movement was soon coupled with an unanticipated and popular campaign of civil support. It would ultimately lead to the decolonization of all its colonies, but leave power vacuums that led to civil war in newly independent Lusophone African nations. 1975 – Sheikh Mujibur Rahman, President of Bangladesh, and almost his entire family was assassinated in the early hours of August 15, 1975, when a group of Bangladesh Army personnel went to his residence and killed him, during a coup d'état. 1976 – Jorge Rafael Videla seizes control of Argentina in 1976 through a coup sponsored by the Argentine military, establishing himself as a dictator of a military junta government in the country. 1977 – Military coup in Pakistan political leaders including Zulfikar Ali Bhutto arrested. Martial law declared 1979 – an Attempted coup in Iran, backed by the United States, to overthrow the interim government, which had come to power after the Iranian Revolution. 1979 – Coup in El Salvador, President General Carlos Humberto Romero, was overthrown by junior ranked officers, that formed a Junta government, which lead the beginning of a 12-year civil war. Terrorist attacks The most notable terrorist attacks of the decade include: The Munich massacre takes place at the 1972 Summer Olympics in Munich, Germany, where Palestinians belonging to the terrorist group Black September organization kidnapped and murdered eleven Israeli athletes. Rise in the use of terrorism by militant organizations across the world. Groups in Europe like the Red Brigades and the Baader-Meinhof Gang were responsible for a spate of bombings, kidnappings, and murders. Violence continued in Northern Ireland and the Middle East. Radical American groups existed as well, such as the Weather Underground and the Symbionese Liberation Army, but they never achieved the size or strength of their European counterparts. On September 6, 1970, the world witnessed the beginnings of modern rebellious fighting in what is today called as Skyjack Sunday. Palestinian terrorists hijacked four airliners and took over 300 people on board as hostage. The hostages were later released, but the