1590
year
1590 (MDXC) was a common year starting on Monday of the Gregorian calendar and a common year starting on Thursday of the Julian calendar, the 1590th year of the Common Era (CE) and Anno Domini (AD) designations, the 590th year of the 2nd millennium, the 90th year of the 16th century, and the 1st year of the 1590s decade. As of the start of 1590, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.
Events
January–March
January 6 – García Hurtado de Mendoza becomes the new Viceroy of Peru (nominally including most of South America except for Brazil). He will serve until 1596.
January 10 – Construction of the Fortezza Nuova around the city of Livorno begins in Italy in the Grand Duchy of Tuscany on the orders of Ferdinando I de' Medici, Grand Duke of Tuscany and continues for more than 14 years.
January 25 – Luis de Velasco y Castilla, Marquess of Salinas, becomes the new Viceroy of New Spain, a colony comprising most of Central America, Mexico and what is now a large part of the southwestern United States. Velasco will govern until 1595, and then again from 1607 to 1611.
February 3 – Peter Ernst I von Mansfeld-Vorderort, the German-born commander of the Spanish Imperial Army captures the German fortress of Rheinberg after a four-year long siege during the Eighty Years' War.
March 4 – Maurice of Nassau, Prince of Orange, takes Breda, by concealing 68 of his best men in a peat-boat, to get through the impregnable defenses.
March 14 – Battle of Ivry: Henry IV of France again defeats the forces of the Catholic League, under Charles, Duke of Mayenne.
The public source identifies “1590” 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 “1590”, the useful work is to connect “year” to the records capable of establishing context and consequence.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Aug 13, 2026. The linked authority identifier is Q6764. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1590, 1923, 1596 and 1595.
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 “1590”, its source revision and the description used here.
- Expand the search: follow 1590 primary sources, 1590 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 “1590”?
- 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 “1590” 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.