📅 Today in HistoryMay 10

A sunspot is observed by Han dynasty astronomers during the reign of Emperor Cheng of Han, one of the earliest dated sunspot observations in China.

Scottish nobles recognize the authority of Edward I of England pending the selection of a king.

Temür, Khagan of the Mongols, is enthroned as Emperor of the Yuan dynasty.

Amerigo Vespucci allegedly leaves Cádiz for his first voyage to the New World.

Christopher Columbus visits the Cayman Islands and names them Las Tortugas after the numerous turtles there.

Jacques Cartier visits Newfoundland.

King Narai nominates Phetracha as regent, leading to the revolution of 1688 in which Phetracha becomes king of the Ayutthaya Kingdom.

Great Northern War: The Russian Navy led by Admiral Fyodor Apraksin land both at Katajanokka and Hietalahti during the Battle of Helsinki.

Rioting occurs in London after John Wilkes is imprisoned for writing an article for The North Briton severely criticising King George III.

The Parliament of Great Britain passes the Tea Act, designed to save the British East India Company by reducing taxes on its tea and granting it the right to sell tea directly to North America. The legislation leads to the Boston Tea Party.