WHAT HAPPENED ON 1. MAY
Want to find out what all happened on 1. May

Diocletian and Maximian retire from the office of Roman Emperor. (1. May 305)

King Sigismund of Burgundy is executed at Orléans after an 8-year reign and is succeeded by his brother Godomar. (1. May 524)

The Nea Ekklesia is inaugurated in Constantinople, setting the model for all later cross-in-square Orthodox churches. (1. May 880)

Wars of Scottish Independence end: By the Treaty of Edinburgh-Northampton the Kingdom of England recognises the Kingdom of Scotland as an independent state. (1. May 1328)

Battle of Arkinholm, Royal forces end the Black Douglas hegemony in Scotland (1. May 1455)

Stefan Batory, the reigning Prince of Transylvania, marries Anna Jagiellon and they become co-rulers of the Polish-Lithuanian Commonwealth. (1. May 1576)

The Act of Union joins the Kingdom of England and Kingdom of Scotland to form the Kingdom of Great Britain. (1. May 1707)

The first cricket match is played in America. (1. May 1751)

Publication of Species Plantarum by Linnaeus, and the formal start date of plant taxonomy adopted by the International Code of Botanical Nomenclature. (1. May 1753)

Josiah Wedgwood founds the Wedgwood pottery company in Great Britain. (1. May 1759)

Establishment of the Illuminati in Ingolstadt (Upper Bavaria), by Jesuit-taught Adam Weishaupt. (1. May 1776)

American Revolution: The Battle of Crooked Billet begins in Hatboro, Pennsylvania. (1. May 1778)

Kamehameha I, the king of Hawaiʻ i, defeats Kalanikupule and establishes the Kingdom of Hawaiʻ i. (1. May 1785)

In Vienna, Austria, Mozart's the opera The Marriage of Figaro is performed for the first time. (1. May 1786)

War of the Pyrenees: The Battle of Boulou ends, in which French forces defeat the Spanish and regain nearly all the land they lost to Spain in 1793. (1. May 1794)

The Penny Black, the first official adhesive postage stamp, is issued in the United Kingdom. (1. May 1840)

Hong Kong Police Force, the world's second modern police force and Asia's first, is established. (1. May 1844)

The few remaining Mormons left in Nauvoo, Illinois, formally dedicate the Nauvoo Temple. (1. May 1846)

Queen Victoria opens the Great Exhibition in London. (1. May 1851)

The Philippine peso is introduced into circulation. (1. May 1852)