1257
year

Year 1257 (MCCLVII) was a common year starting on Monday of the Julian calendar.
Events
By place
Europe
January 13 – At the first recorded meeting of the college of the seven Electors of the Holy Roman Empire, the 48-year-old Richard of Cornwall (the brother of King Henry III of England) is elected King of the Romans. He is crowned at Aachen, on May 17. His candidacy is opposed by King Alfonso X of Castile ("the Wise"), Pope Alexander IV and King Louis IX of France ("the Saint") who favour Alfonso, but both are ultimately convinced by Richard's sister-in-law, Queen Eleanor of Provence, to support Richard.
Spring – The Epirote–Nicaean conflict (1257–59) begins between the Despotate of Epirus and the Empire of Nicaea. Despot Michael II Komnenos Doukas revolts and defeats the Nicaean army under George Akropolites. The Epirote and Serbian forces join their attacks against Michael, who sends his forces into Macedonia and marches on to Thessalonica. In response, Michael is attacked – on the west coast of Epirus – by Manfred of Sicily. Manfred first occupies the major Ionian Islands, including Corfu. Then he lands on the Albanian coast and takes Durazzo, Berat, Valona and their environs.
The public source identifies “1257” as year. This brief keeps that definition visible, then builds a research path around year.
Why this record matters
A short description can identify a subject without explaining its stakes. For “1257”, the useful work is to connect “year” to the records capable of establishing context and consequence.
Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Apr 19, 2026. The linked authority identifier is Q5504. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1257.
The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. 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 “1257”, its source revision and the description used here.
- Expand the search: follow 1257 primary sources, 1257 archive and year 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 “1257”?
- What terminology or title could unlock a more precise catalogue search?
- Which institution is responsible for the underlying evidence?
Search terms from this dossier
This entry incorporates text from “1257” 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.