1603
year
1603 (MDCIII) was a common year starting on Wednesday of the Gregorian calendar and a common year starting on Saturday of the Julian calendar, the 1603rd year of the Common Era (CE) and Anno Domini (AD) designations, the 603rd year of the 2nd millennium, the 3rd year of the 17th century, and the 4th year of the 1600s decade. As of the start of 1603, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.
Events
January–March
January 24 – Anglo-Spanish War: English Admiral Christopher Newport leads an unsuccessful attempt to take the Spanish-controlled Caribbean island of Jamaica, where he was attempting to pillage the area to obtain supplies. The Spanish defenders repel the fleet, and Newport leads the attackers to the coast of Central America.
February 17 – Anglo-Spanish War: The Battle of Puerto Caballos is fought off of the coast of Guatemala by two Spanish Navy galleons, and eight English Navy and French pirate ships. The English-French soldiers and pirates, commanded by Christopher Newport and Michael Geare, plunder Puerto Caballos over the next two weeks, and the Spanish defenders suffer 230 casualties.
February 25 – Dutch–Portuguese War: the Portuguese ship Santa Catarina is seized by Dutch East India Company ships off Singapore.
March 15 – French explorer Samuel de Champlain departs from the Channel port of Honfleur in the Calvados département in the Kingdom of France for his first voyage to the settlement of New France in what is now Canada.
March 24
Queen Elizabeth I of England dies at Richmond Palace (having ruled since 1558). She is succeeded by her first cousin twice removed, King James VI of Scotland (where he has ruled since 1567), uniting the crowns of Scotland and England.
This brief starts where responsible research should: with the source description of “1603” as 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 year. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jul 29, 2026. The linked authority identifier is Q6735. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1603, 1923, 1558 and 1567.
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 “1603”, its source revision and the description used here.
- Expand the search: follow 1603 primary sources, 1603 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 “1603”?
- 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 “1603” 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.