1AD – Origin of Christian Era
1583 – 1st day of the Gregorian calendar in Holland & Flanders
1610 – German astronomer Simon Marius 1st discovers the Jupiter moons, but does not officially report it, Galileo does on July 1 1610
1622 – Papal Chancery adopts Jan 1 as beginning of the year (was Mar 25)
1776 – Gen George Washington hoists Continental Union Flag
1788 – London’s Daily Universal Registrar becomes the Times
1800 – Dutch East Indies Company dissolves
1801 – The Irish Parliament votes to join the Kingdom of Great Britain, forming the United Kingdom of Great Britain and Ireland
1903 – In Delhi, a great durbar, or formal reception, marks the coronation of King Edward VII as Emperor of India; the British release some 16,000 prisoners in honor of the occasion
1923 – Union of Socialist Soviet Republics established
2002 – The Open Skies mutual surveillance treaty, initially signed in 1992, officially comes into force.