Birthdays in History
James Bradley
Mar 23 James Bradley, English astronomer, 3rd Astronomer Royal, discovered Earth's nutation motion, born in Shelborne, England (d. 1762) exact date disputed

James Bradley
- Mar 24 John Harrison, English carpenter and clockmaker who invented the marine chronometer to calculate longitude while at sea, born in Foulby, Yorkshire, England (d. 1776)