meeting features 51 presentations concerning the science of high-temperature superconductors. March 20 – AZT is approved by the United States Food and Drug Administration for use in the treatment of HIV/AIDS. March 24 – Michael Eisner, CEO of The Walt Disney Company, and French Prime Minister and future President of France, Jacques Chirac, sign an agreement to construct the Euro Disney Resort (now called Disneyland Paris) and to develop the Val d'Europe area of the new town Marne-la-Vallée in Paris, France. March 29 The World Wrestling Federation (later WWE) produces WrestleMania III from the Pontiac Silverdome in Pontiac, Michigan. The event is particularly notable for the record attendance of 93,173, the largest recorded attendance for a live indoor sporting event in North America until February 14, 2010, when the 2010 NBA All-Star Game has an attendance of 108,713 at AT&T Stadium. A hybrid solar eclipse was the second hybrid solar eclipse in less than one year, the first being on October 3, 1986. It was annular visible in southern Argentina, Gabon, Equatorial Guinea, Cameroon, Central African Republic, Sudan (part of the path of annularity crossed today's South Sudan), Ethiopia, Djibouti and northern Somalia and total visible in Atlantic Ocean, lasting just 7.57 seconds. March 30 – The 59th Academy Awards take place in Los Angeles, with Platoon winning Best Picture. March 31 – Margaret Thatcher, Prime Minister of the United Kingdom, conducts a 45-minute interview on Soviet television. April April 13 – The governments of the Portuguese Republic and the People's Republic of China sign an agreement in which Macau will be returned to China in 1999. April 19 – The Simpsons cartoon first appears as a series of shorts on The Tracey Ullman Show. April 21 – In Colombo, Sri Lanka, the Central Bus Station Bombing kills 113 civilians. April 27 – The United States Department of Justice declares incumbent Austrian president Kurt Waldheim an "undesirable alien". April 30 – Canadian Prime Minister Brian Mulroney and the Provincial Premiers agree on principle to the Meech Lake Accord which would bring Quebec into the constitution. May May 8 – Loughgall ambush: A 24-man unit of the British Army Special Air Service (SAS) ambushed eight members of the Provisional Irish Republican Army (IRA) as they mounted an attack on a Royal Ulster Constabulary (RUC) barracks. All IRA members were killed as well as one civilian. May 9 – A Soviet-made Ilyushin