1842 events in history

Jan 13 Dr. William Brydon, an assistant surgeon in the British East India Company Army during the First Anglo-Afghan War, becomes famous for being the sole survivor of an army of 4,500 men and 12,000 camp followers when he reaches the safety of a garrison in Jalalabad, Afghanistan
Feb 7 Battle of Debre Tabor: Ras Ali Alula, Regent of the Emperor of Ethiopia defeats warlord Wube Haile Maryam of Semien
Feb 21 John Greenough is granted the first U.S. patent for the sewing machine
Mar 9 The first documented discovery of gold in California occurs at Rancho San Francisco, six years before the California Gold Rush
Mar 9 Giuseppe Verdi's third opera, Nabucco, receives its première performance in Milan; its success establishes Verdi as one of Italy's foremost opera writers
Mar 17 The Relief Society of The Church of Jesus Christ of Latter-day Saints is formed
Mar 30 Ether anesthesia is used for the first time, in an operation by the American surgeon Dr. Crawford Long
May 8 A train derails and catches fire in Paris, killing between 52 and 200 people
May 30 John Francis attempts to murder Queen Victoria as she drives down Constitution Hill in London with Prince Albert
Aug 1 The Lombard Street Riot erupts in Philadelphia, Pennsylvania, United States
Aug 9 The Webster–Ashburton Treaty is signed, establishing the United States–Canada border east of the Rocky Mountains
Aug 14 American Indian Wars: Second Seminole War ends, with the Seminoles forced from Florida to Oklahoma
Aug 29 Treaty of Nanking signing ends the First Opium War
Nov 26 The University of Notre Dame is founded