Gregory XIII
Gregory XIII's Historical Timeline
Gregory XIII is born
Gregory XIII is born
Pope Gregory XIII announces the New Style calendar, commonly known as the Gregorian calendar
The Julian calendar is a solar calendar of 365 days in every year with an additional leap day every fourth year (without exception).
Associated Historical Events
Frequently Asked Questions
- When was Gregory XIII born?
- Gregory XIII was born on 1502-01-07.
- What historical events involved Gregory XIII?
- Gregory XIII was involved in 2 recorded historical events, including Gregory XIII is born, Pope Gregory XIII announces the New Style calendar, commonly known as the Gregorian calendar.
- When did Gregory XIII die?
- Gregory XIII died on 1585-01-01.