CACrown ArchivesThe cinema collection
Menu
Research dossier · General Reference

1539

year

Cross-disciplinary reference desk with index cards, atlas, dictionary and catalogue
General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 28, 2026
Entity authorityQ6479
Source-derived summary

Year 1539 (MDXXXIX) was a common year starting on Wednesday of the Julian calendar.

Events

January–March

January 4 – Giannandrea Giustiniani Longo is elected to a two year term as Doge of the Republic of Genoa in Italy, succeeding Giovanni Battista Doria.

January 12 – Treaty of Toledo: Charles V, Holy Roman Emperor (aka Charles I of Spain) and Francis I of France agree to make no further alliances with England. The treaty comes after Henry VIII of England's split with Rome and Pope Paul III.

January – Toungoo–Hanthawaddy War – Battle of Naungyo, Burma: The Toungoos decisively defeat the Hanthawaddys.

February 9 – The first horse race is held at Chester Racecourse, the oldest still in use in England.

March 1 – King Henry VIII of England summons Parliament to meet, with the session to start on April 28.

March 2 – Askia Isma'il, ruler of the Songhai Empire in West Africa, dies after a reign of slightly less than two years and is succeeded by Askia Ishaq I.

March 30 – Canterbury Cathedral surrenders, and reverts to its previous status of 'a college of secular canons.

April–June

April 17 – At Dresden in Germany, Heinrich IV of the House of Wettin, nicknamed "Heinrich der Fromme" (Henry the Pious) becomes the new Duke of Saxony within the Holy Roman Empire upon the death of his older brother, Georg der Bärtige ("George the Bearded").

April 19 – The Treaty of Frankfurt is signed at Frankfurt-am-Main by Charles V, Holy Roman Emperor on behalf of the Empire's Roman Catholic states, and the Lutheran theologian Philip Melanchthon, representative of the Schmalkaldic League of Protestant German states. Effective May 1, the parties agree that no violent actions will be taken by either side against the other during a 15 month truce period.

Editorial summary

This brief starts where responsible research should: with the source description of “1539” as year. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—1539—that can be checked directly. The selected authority fields contribute no independent date. The account is most persuasive where year can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the general reference register because the source frames it as year. Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

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 Jul 28, 2026. The linked authority identifier is Q6479. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1539.

Critical limits

A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. 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.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “1539”, its source revision and the description used here.
  2. Expand the search: follow 1539 primary sources, 1539 archive and year research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “1539”?
  2. Which cited source is closest to the event, object or claim?
  3. What terminology or title could unlock a more precise catalogue search?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from 1539” 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.