leadership election, and becomes Prime Minister of Canada soon afterward. 1970 – Newhall massacre: Four California Highway Patrol officers are killed in a shootout. 1972 – Vietnam War: Easter Offensive: American forces begin sustained air strikes and naval bombardments. 1973 – Launch of Pioneer 11 spacecraft. 1973 – The American League of Major League Baseball begins using the designated hitter. 1984 – Members of Cameroon's Republican Guard unsuccessfully attempt to overthrow the government headed by Paul Biya. 1985 – Sudanese President Gaafar Nimeiry is ousted from power in a coup d'état led by Field Marshal Abdel Rahman Swar al-Dahab. 1992 – The Bosnian War begins. 1994 – The Rwandan genocide begins when the aircraft carrying Rwandan president Juvénal Habyarimana and Burundian president Cyprien Ntaryamira is shot down. 1997 – In Greene County, Tennessee, the Lillelid murders occur. 1998 – Nuclear weapons testing: Pakistan tests medium-range missiles capable of reaching India. 2004 – Rolandas Paksas becomes the first president of Lithuania to be peacefully removed from office by impeachment. 2005 – Kurdish leader Jalal Talabani becomes Iraqi president; Shiite Arab Ibrahim al-Jaafari is named premier the next day. 2008 – The 2008 Egyptian general strike starts led by Egyptian workers later to be adopted by April 6 Youth Movement and Egyptian activists. 2009 – A 6.3 magnitude earthquake strikes near L'Aquila, Italy, killing 307. 2010 – Maoist rebels kill 76 CRPF officers in Dantewada district, India. 2011 – In San Fernando, Tamaulipas, Mexico, over 193 victims of Los Zetas were exhumed from several mass graves. 2012 – Azawad declares itself independent from the Republic of Mali. 2017 – U.S. military launches 59 Tomahawk cruise missiles at an air base in Syria. Russia describes the strikes as an "aggression", adding they significantly damage US-Russia ties. 2018 – A bus carrying the Humboldt Broncos junior ice hockey team collides with a semi-truck in Saskatchewan, Canada, killing 16 people and injuring 13 others. Births Pre–1600 1135 – Maimonides, Jewish philosopher, Torah scholar, physician and astronomer (March 30 also proposed, d. 1204) 1342 – Infanta Maria, Marchioness of Tortosa 1573 – Margaret of Brunswick-Lüneburg, German noble (d. 1643) 1601–1900 1632 – Maria Leopoldine of Austria (d. 1649) 1651 – André Dacier, French scholar and academic (d. 1722) 1660 – Johann Kuhnau, German organist and composer (d. 1722) 1664 – Arvid Horn, Swedish general and politician, Governor of Västerbotten County (d. 1742) 1671 – Jean-Baptiste Rousseau,