1633
year
1633 (MDCXXXIII) was a common year starting on Saturday of the Gregorian calendar and a common year starting on Tuesday of the Julian calendar, the 1633rd year of the Common Era (CE) and Anno Domini (AD) designations, the 633rd year of the 2nd millennium, the 33rd year of the 17th century, and the 4th year of the 1630s decade. As of the start of 1633, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.
Events
January–March
January 20 – Galileo Galilei, having been summoned to Rome on orders of Pope Urban VIII, leaves for Florence for his journey. His carriage is halted at Ponte a Centino at the border of Tuscany, where he is quarantined for 22 days because of an outbreak of the plague.
February 6 – the formal coronation of Władysław IV Vasa as King of Poland takes place at the cathedral in Kraków. He had been elected as king on November 8.
February 9 – the Duchy of Hesse-Cassel captures Dorsten from the Electorate of Cologne without resistance.
February 13
Galileo Galilei arrives in Rome for his trial before the Inquisition.
Fire engines are used for the first time in England in order to control and extinguish a fire that breaks out at London Bridge, but not before 43 houses are destroyed.
March 1 – Samuel de Champlain reclaims his role as commander of New France, on behalf of Cardinal Richelieu.
“1633” enters the record as year. Crown Archives preserves that source wording while asking what year can confirm, complicate or overturn.
Why this record matters
“1633” is worth following because a concise public description often conceals a longer documentary argument. Here, year provides the most credible route into that argument.
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 Aug 13, 2026. The linked authority identifier is Q6870. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1633 and 1923.
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.
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This entry incorporates text from “1633” 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.