Klerk announces that the country's six warheads had already been dismantled in 1989. March 27 Jiang Zemin becomes President of the People's Republic of China. Following a rash of integrist murders (including those of foreigners), Algeria breaks diplomatic relations with Iran, accusing the country of interfering in its interior affairs. Mahamane Ousmane is elected president of Niger. March 28 – 1993 French legislative election: Rally for the Republic (Gaullist party) wins a majority and Édouard Balladur becomes Prime Minister. March 29 – The 65th Academy Awards, hosted by Billy Crystal, are held at the Dorothy Chandler Pavilion in Los Angeles, with Unforgiven winning Best Picture. April April–May – 1993 Four Corners hantavirus outbreak: Thirteen people are killed by Hantavirus pulmonary syndrome, mainly in the Southwestern United States. April–October – Great Flood of 1993: The Mississippi and Missouri Rivers flood large portions of the American Midwest. April 8 – The Republic of Macedonia is admitted to the United Nations. April 16 – Bosnian War: the enclave of Srebrenica is declared a UN-protected "safe area". April 19 – Waco siege: A 51-day stand-off at the Branch Davidian compound near Waco, Texas, ends with a fire that kills 76 people, including David Koresh. April 20 – The Council for National Academic Awards, the national degree-awarding authority in the United Kingdom, is officially dissolved. April 21 – The Supreme Court in La Paz, Bolivia, sentences former dictator Luis Garcia Meza to 30 years in jail without parole for murder, theft, fraud and violating the constitution. April 23 The World Health Organization declares tuberculosis a global emergency. Eritreans vote overwhelmingly for independence from Ethiopia in a United Nations-monitored referendum, the 1993 Eritrean independence referendum. April 26 – Oscar Luigi Scalfaro appoints Carlo Azeglio Ciampi Prime Minister of Italy. April 27 Eritrea: Eritrean independence is declared verified by the United Nations. 1993 Yemeni parliamentary election: The General People's Congress of Yemen wins a plurality of 121 seats. 1993 Zambia national football team plane crash: All members of the Zambia national football team die in a plane crash off Libreville, Gabon en route to Dakar, Senegal. April 30 – Tennis player Monica Seles – at this time the top-ranked player in women's tennis – is stabbed during a match at the 1993 Citizen Cup in Hamburg, Germany. May May 1 A Tamil Tigers suicide bomber assassinates President Ranasinghe Premadasa of Sri Lanka. Dingiri Banda Wijetunga becomes the