War: For the first time since November 1967, American B-52 bombers reportedly begin bombing North Vietnam. 1973 – Invicta International Airlines Flight 435 crashes in a snowstorm on approach to Basel, Switzerland, killing 108 people. 1979 – Red River Valley tornado outbreak: A tornado lands in Wichita Falls, Texas killing 42 people. 1988 – The Ojhri Camp explosion kills or injures more than 1,000 people in Rawalpindi and Islamabad, Pakistan. 1991 – Italian ferry collides with an oil tanker in dense fog off Livorno, Italy, killing 140. 1991 – A rare tropical storm develops in the South Atlantic Ocean near Angola; the first to be documented by satellites. 1998 – The Good Friday Agreement is signed in Northern Ireland. 2009 – President of Fiji Ratu Josefa Iloilo announces the abrogation of the constitution and assumes all governance in the country, creating a constitutional crisis. 2010 – Polish Air Force Tu-154M crashes near Smolensk, Russia, killing 96 people, including Polish President Lech Kaczyński, his wife, and dozens of other senior officials and dignitaries. 2016 – The Paravur temple accident in which a devastating fire caused by the explosion of firecrackers stored for Vishu, kills more than one hundred people out of the thousands gathered for seventh day of Bhadrakali worship. 2016 – An earthquake of 6.6 magnitude strikes 39 km west-southwest of Ashkasham, shakes up India, Afghanistan, Tajikistan, Srinagar and Pakistan. 2019 – Scientists from the Event Horizon Telescope project announce the first ever image of a black hole, which was located in the centre of the M87 galaxy. Births Pre-1600 401 – Theodosius II, Roman emperor (d. 450) 1018 – Nizam al-Mulk, Persian scholar and vizier (d. 1092) 1472 – Margaret of York, English princess (d. 1472) 1480 – Philibert II, duke of Savoy (d. 1504) 1487 – William I, count of Nassau-Siegen (d. 1559) 1512 – James V, king of Scotland (d. 1542) 1579 – Augustus II, duke of Brunswick-Lüneburg (d. 1666) 1583 – Hugo Grotius, Dutch philosopher and jurist (d. 1645) 1601–1900 1603 – Christian, Prince-Elect of Denmark (d. 1647) 1651 – Ehrenfried Walther von Tschirnhaus, German mathematician, physicist, and physician (d. 1708) 1656 – René Lepage de Sainte-Claire, French-Canadian settler, founded Rimouski (d. 1718) 1704 – Benjamin Heath, English scholar and author (d. 1766) 1707 – Michel Corrette, French organist, composer, and author (d. 1795) 1713 – John Whitehurst, English geologist and clockmaker (d. 1788) 1755 –