Historedia
Person

King Charles XII

Events
1
Episodes
2
Years
1711–1712

Every event in Historedia whose sources name King Charles XII, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.

Events and episodes

  1. Sweden's adoption of February 30

    1711–1712

    Role: Monarch who ordered the calendar change

    1. January 1711 · Bender (present-day Moldova)Order to Revert

      King Charles XII ordered the abandonment of the Swedish calendar and return to the Julian calendar.

    2. February 1712 · SwedenAddition of February 30

      Sweden added an extra day to February in 1712 to adjust the calendar back to the Julian standard.

Sources

  1. Swedish calendar Wikipedia, revision of 2026-07-21