October Revolution Gregorian Calendar
The October Revolution, also known as the Bolshevik Revolution, took place in Russia in October 1917. It marked the beginning …
gregorian calendar events
Gregorian Calendar October 1582
In October 1582, the Gregorian calendar was introduced by Pope Gregory XIII as a reform to the Julian calendar. The …
1582 October Calendar Gregorian Calendar
In 1582, Pope Gregory XIII introduced the Gregorian calendar to replace the Julian calendar. This change was made to correct …