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- 1721 - Wikipedia
As of the start of 1721, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923
- Historical Events in 1721 - On This Day
Historical events from year 1721 Learn about 13 famous, scandalous and important events that happened in 1721 or search by date or keyword
- 1721 Archives - HISTORY
Learn something new with key events in history, from the American Revolution to pop culture, crime and more 1721: Discover what happened in this year with HISTORY’s summaries of major events,
- What Happened In 1721 - Historical Events 1721 - EventsHistory
What happened in the year 1721 in history? Famous historical events that shook and changed the world Discover events in 1721
- 1721 Calendar - What Happened Today In History
Full 12-month 1721 Calendar plus selected historical events of 1721
- 1721 - Academic Dictionaries and Encyclopedias
Year 1721 (MDCCXXI) was a common year starting on Wednesday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Sunday of the 11 day slower Julian calendar)
- World History Timeline: 18th Century, 1721 to 1730
1721 Sweden makes peace with Russia, recognizing territory lost to Russia Russia is now the dominant power in the Baltic region Peter the Great declares himself an emperor 1721 Mongols invade Tibet and sack Lhasa
- Peace of Nystad | European history | Britannica
By the Peace of Nystad (1721), Sweden formally resigned the Baltic provinces, part of Karelia, and the city of Vyborg (near St Petersburg) to Russia
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