Birth of Casimir II
Birth of Casimir II, son of Boleslaw III
Permanent historical records · Updated 2026-11-03
1138 in Poland
Explore 5 historical events and records for Poland in 1138.
Historical records for Poland in 1138
Sorted by month and day. Records with no month are shown last. Showing 5 of 5 unique records.
5Unique records
1 of 1Page
4Named events on this page
3Named people on this page
0Places on this page
Other events (month unknown)
Duke of Poland
Succeeds as Duke of Poland
Rule of Poland
Boleslaw III divides his realm among his sons & begins 150 yrs of dynastic struggle
Succession
Boleslaw III divides his realm among his sons & begins 150 yrs of dynastic struggle
Succession
Succeeds as Duke of Poland
How these records were prepared
Generated from the World History Database historical_events table. Identical display records are collapsed; descriptions otherwise retain the stored text. Coverage and source quality vary. Check primary and specialist sources before citing individual historical claims.