In 1752, the British Empire abandoned its use of the Old Style Julian calendar upon adopting the Gregorian calendar, which has become today's standard calendar in most countries of the world.
The British Empire abandoned its use of the Old Style Julian calendar upon. This was in 1752. The British Empire was adopting the Gregorian calendar. This was in 1752. The Gregorian calendar has become today's standard calendar in most countries of the world.