Bolesław II the Horned
Duke of Silesia

Bolesław II the Horned (Polish: Bolesław II Rogatka), known also as Bolesław II the Bald (Polish: Bolesław II Łysy; c. 1220/1225 – 26/31 December 1278), a member of the Silesian Piasts, was High Duke of Poland briefly in 1241 and Duke of Silesia at Wrocław from 1241 until 1248, when the duchy was divided between him and his brothers. After the partition, he ruled the Silesian Duchy of Legnica until his death. The second Mongol raid against Poland, led by Nogai Khan, occurred during his reign.
Family history
Bolesław was the eldest son of the Polish high duke Henry II the Pious by his wife Anna, a daughter of the Přemyslid king Ottokar I of Bohemia. His paternal grandparents were Henry the Bearded and Hedwig of Silesia. Among his younger siblings were Mieszko (died 1242), Henry III the White (d. 1266), Konrad II (d. 1274), Władysław (d. 1270), and Elisabeth (d.
The public source identifies “Bolesław II the Horned” as duke of Silesia. This brief keeps that definition visible, then builds a research path around Bolesław, Horned and Duke.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Bolesław II the Horned”, the useful work is to connect “duke of Silesia” to the records capable of establishing context and consequence.
The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Aug 21, 2026. The linked authority identifier is Q53439. VIAF identifies the subject as 25423502. 2 of 2 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 1220, 1225, 1278 and 1241.
Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
- Subject orientation
- Search vocabulary
- Locating named sources
The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “Bolesław II the Horned”, its source revision and the description used here.
- Expand the search: follow Bolesław II the Horned primary sources, Bolesław II the Horned archive and Bolesław research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Bolesław II the Horned”?
- Which cited source is closest to the event, object or claim?
- Which institution is responsible for the underlying evidence?
Search terms from this dossier
This entry incorporates text from “Bolesław II the Horned” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.