On This Day

What Happened on March 7, 321 AD

Historical Events

Roman Empire

Roman Emperor Constantine I decrees that the dies Solis Invicti (sun-day) is the day of rest in the Empire

List of Years

About March 7, 321 AD

Day of the Week: Thursday
How Long Ago? 1701 years, 2 months and 15 days
Leap Year: No

Star Sign: Pisces

Music Charts

  • US #1 Song: Raindrops Keep Fallin' On My Head - B.J. Thomas
  • UK #1 Song: Two Little Boys - Rolf Harris