British Astronomical Association
Supporting amateur astronomers since 1890

Secondary menu

Main menu

Home Forums General Discussion
Terms of use

11 Days of Newtonmas

1 post / 0 new
mikemarotta's picture
Offline
Last seen: 1 month 2 weeks ago
Joined: 04/12/2020 - 23:14
11 Days of Newtonmas

Sir Isaac Newton was born on Christmas Day 1642. The calendar changed in 1752 and that moved his birthday to 4 January 1643. So, you can celebrate Sir Isaac Newton's Birthday for 11 days, if you wish.