THE DATE BEHIND THE NAME
Bolesław III of Masovia
Polish prince member of the House of Piast, Duke of Płock since 1336 (under regency until 1340), ruler over Wizna and Sochaczew since 1345, formally a vassal of the Kingdom of Bohemia during all his reign
Bolesław III of Masovia was born approximate and died on August 28, 1351.
approximate
Died: August 28, 1351
Source:
No external source identified
Synchronized from Wikidata on October 5, 2026.
Original calendar: Julian. This broad date cannot be represented as a single Gregorian date; the original value is shown.
- Professions
- ruler, feudatory
More about Bolesław III of Masovia
Family
- Father
- Wenceslaus of Płock
All birth date sources
A source is P248 “stated in” or a non-Wikimedia reference URL. Import-only references do not qualify.
No external source identified
Synchronized from Wikidata on October 5, 2026. View Wikidata record
Questions people ask
When did Bolesław III of Masovia die?
Bolesław III of Masovia died on August 28, 1351.