Events January–March January 5 – Franco-Dutch War – Battle of Turckheim: The French defeat Austria and Brandenburg. January 29 – John Sassamon, an English-educated Native American Christian, dies at Assawampsett Pond, an event which will trigger a year-long war between the English American colonists of New England, and the Algonquian Native American tribes. February 4 – The Italian opera La divisione del mondo, by Giovanni Legrenzi, is performed for the first time, premiering in Venice at the Teatro San Luca. The new opera, telling the story of the "division of the world" after the battle between the Gods of Olympus and the Titans, becomes known for its elaborate and expensive sets, machinery, and special effects and is revived 325 years later in the year 2000. February 6 – Nicolò Sagredo is elected as the new Doge of Venice and leader of the Venetian Republic, replacing Domenico II Contarini, who had died 10 days earlier. February 11 – French Army Marshal Louis Victor de Rochechouart, Count of Vivonne, reinforces the rebels in the Messina revolt with eight additional warships and three fireships to bring to 20 the number of ships that France has against the 15 warships of Spain, and breaks the Spanish blockade that had prevented food from reaching Messina. February 25 – Netherlands scientist Christiaan Huygens files drawings of his invention of the balance spring, the key component to the accuracy of portable clocks and pocket watches, in a letter to the Journal des Sçavants. February 27 – Matthew Locke's "semi-opera" Psyche premieres at the Duke's Theatre in London. March 4 – John Flamsteed is appointed by King Charles II as England's "astronomical observator", in effect, becoming the first Astronomer Royal. March 25 – England's first royal yacht, HMY Mary, strikes rocks off of the coast of Anglesey while traveling from Dublin to Chester with 74 passengers and crew, and quickly sinks, with the loss of 35 people. The other 39 are able to get to safety. The wreckage is not discovered until almost 300 years later, on July 11, 1971. March 30 – The guild organisation Maîtresses couturières is founded in Paris. April–June April 13 – King Charles II of England suspends Parliament after just nine weeks when the members refuse to vote additional funding to him. April 20 – An uprising by the Chahars in the Chinese Empire region of Inner Mongolia, led by brothers Abunai Khan