# Calendar reform is adopted (1751)

URL: https://english-history.com/timeline/1751-calendar-reform-is-adopted

Britain changed from the Julian to the Gregorian calendar and adjusted the legal start of the year. Within the broader Georgian Britain period, parliamentary government, industrialization, imperial expansion, war with France and political reform turned Britain into a global commercial and military power. This event is placed at 1751 in the chronology so it can be read alongside the political, military, social and cultural changes around it. The reform aligned British dating practices with much of continental Europe.

## Why it matters
The reform aligned British dating practices with much of continental Europe.

Ruler at the time: [George II](https://english-history.com/rulers/george-ii)

## Sources
- [Wikipedia topic lookup — Calendar reform is adopted](https://en.wikipedia.org/wiki/Special:Search?search=Calendar+reform+is+adopted&go=Go)
- [Encyclopaedia Britannica topic lookup — Calendar reform is adopted](https://www.britannica.com/search?query=Calendar+reform+is+adopted)
- [Wikipedia — Timeline of British history](https://en.wikipedia.org/wiki/Timeline_of_British_history_%281700%E2%80%931799%29)
- [The National Archives — empire and industry resources](https://www.nationalarchives.gov.uk/education/)