Events January–March January – The Wilmington and Raleigh Railroad is chartered in Wilmington, North Carolina. January 1 – Zollverein (Germany): Customs charges are abolished at borders within its member states. January 3 – The government of Mexico imprisons Stephen F. Austin in Mexico City. February 13 – Robert Owen organizes the Grand National Consolidated Trades Union in the United Kingdom. March 6 – York, Upper Canada, is incorporated as Toronto. March 11 – The United States Survey of the Coast is transferred to the Department of the Navy. March 14 – John Herschel discovers the open cluster of stars now known as NGC 3603, observing from the Cape of Good Hope. March 28 – Andrew Jackson is censured by the United States Congress (expunged in 1837). April–June April 10 – The LaLaurie mansion in New Orleans burns, and Madame Marie Delphine LaLaurie flees to France. April 14 – The Whig Party is officially named by United States Senator Henry Clay. April 22 – Spain, France, Portugal and the United Kingdom sign the Quadruple Alliance. May 9 – The founder of The Second Saudi State, Imam Turki bin Abdulla Al Saud, is assassinated after the Friday prayers by Ibrahim Hamza, following the orders of his cousin Mishari. May 19 – The Syrian Peasant Revolt (1834–35) erupts in Egyptian-ruled Ottoman Syria, encompassing peasant uprisings in Palestine and Transjordan, Galilee and Hauran and the Syrian coast; the rebellions are suppressed with harsh military response leading to thousands of deaths and mostly subdued by August, though the Syrian coast uprising lasts until early 1835. June 7 – Greek independence: General Theodoros Kolokotronis is sentenced to death for treason, for resisting the rule of Otto of Greece (he is released the following year). June 21 – American inventor and businessman Cyrus McCormick is granted a patent for his mechanical reaper. July–September July 7 – 10 – Anti-abolitionist riots break out in New York City. July 8 – Imam Faisal bin Turki enters Riyadh and upon entering his father's palace, assassinates his father's murderer, Ibrahim Hamza, and his master; Mishari, and becomes the ruler and founder of the Second Saudi State. July 15 – The Spanish Inquisition, which began in the 15th century, is suppressed by royal decree. July 16 – William Lamb, 2nd Viscount Melbourne succeeds Earl Grey as Prime Minister of the United Kingdom. July 24 – The Liberal Wars end in Portugal. July