February 28
day of the year
February 28 is the 59th day of the year in the Gregorian calendar; 306 days remain until the end of the year (307 in leap years).
Events
Pre-1600
202 BC – Liu Bang is enthroned as the Emperor of China, beginning four centuries of rule by the Han dynasty.
870 – The Fourth Council of Constantinople closes.
1525 – Aztec king Cuauhtémoc is executed on the order of conquistador Hernán Cortés.
1601–1900
1638 – The Scottish National Covenant is signed in Edinburgh.
1835 – Elias Lönnrot signs and dates the foreword to the first version of the Kalevala, the so-called Old Kalevala.
1844 – A gun explodes on board the steam warship USS Princeton during a pleasure cruise down the Potomac River, killing six, including Secretary of State Abel Upshur. President John Tyler, who is also on board, is not injured from the blast.
1901–present
1922 – The United Kingdom ends its protectorate over Egypt through a Unilateral Declaration of Independence.
1925 – The Charlevoix-Kamouraska earthquake strikes northeastern North America.
This brief starts where responsible research should: with the source description of “February 28” as day of the year. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the general reference register because the source frames it as day of the year. Its deeper value depends on whether names, dates, institutions and citations support that framing.
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 Sep 8, 2026. The linked authority identifier is Q2362. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1600, 1525, 1601 and 1900.
A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. 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 “February 28”, its source revision and the description used here.
- Expand the search: follow February 28 primary sources, February 28 archive and February 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 “February 28”?
- Which institution is responsible for the underlying evidence?
- Which cited source is closest to the event, object or claim?
Search terms from this dossier
This entry incorporates text from “February 28” 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.