and running westward. April 14 – Iron Maiden's debut self-titled album Iron Maiden is released in the U.K. April 18 – Zimbabwe gains de jure independence from the United Kingdom with Robert Mugabe as its first Prime Minister. April 24 – 25 – Operation Eagle Claw, a commando mission in Iran to rescue American embassy hostages, is aborted after mechanical problems ground the rescue helicopters. Eight United States troops are killed in a mid-air collision during the failed operation. April 25 – Dan-Air Flight 1008 crashes in Tenerife, killing all 146 occupants; at the time it was the worst air disaster involving a British-registered aircraft in terms of loss of life. April 26 – Louise and Charmian Faulkner disappear from outside their flat in St Kilda, Victoria, Australia. April 27 – The Dominican embassy siege in Colombia ends with all remaining hostages released after the guerrillas are allowed to escape to Cuba. April 30 Iranian Embassy siege: Six Iranian-born terrorists take over the Iranian embassy in London, England. SAS retakes the Embassy on May 5; one terrorist survives. Queen Juliana of the Netherlands abdicates and her daughter Beatrix accedes to the throne. May May 1 – "About that Urban Renaissance...", an article by journalist Dan Rottenberg in Chicago, contains the first recorded use of the word "yuppie". May 2 – Referendum on system of government held in Nepal. May 4 – Yugoslav President Josip Broz Tito dies. The largest state funeral in history is organized, with state delegations from 128 different countries out of 154 UN members at the time. May 7 – Paul Geidel, convicted of second-degree murder in 1911, is released from prison in Beacon, New York, after 68 years and 245 days (the longest-ever time served by an inmate). May 8 – Global eradication of smallpox certified by the World Health Organization. May 9 In Florida, United States, the Liberian freighter Summit Venture hits the Sunshine Skyway Bridge over Tampa Bay. A section of the bridge collapses and 35 people (most in a bus) are killed. James Alexander George Smith "Jags" McCartney the Turks and Caicos Islands' first chief minister, is killed in a plane crash over New Jersey. May 14 – The Sumpul River massacre occurs in Chalatenango, El Salvador. May 17 – Internal conflict in Peru: On the eve of presidential elections, Maoist guerrilla group Shining Path attacks a polling location in the town of