On This Day

What Happened on September 1, 1255

Historical Events

  • K√∂nigsberg (modern day Kaliningrad) founded by Teutonic Knights and named in honor of the Bohemian King Ottokar II
1255 Highlights

About September 1, 1255

Day of the Week: Saturday
How Long Ago? 766 years, 8 months and 20 days
Leap Year: No

Star Sign: Virgo