Bolesław IV of Warsaw
Polish noble · Poland · On the map · Lived 1421 to 1454 · aged 33
Bolesław IV of Warsaw, was a Polish prince and member of the House of Piast in the Masovian branch. He was Duke of Warsaw during 1429-1454 and sovereign Duke of Podlachia in 1440-1444.
Bolesław IV of Warsaw is read about 22 times a day, in 10 languages.
A typical day, 30 days to 7 August 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
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Country
Poland
Status
Deceased
Dates
Lived 1421 to 1454 · aged 33