View source for 1641

=== January&ndash;March ===
* [[January 4]] &ndash; The [[stratovolcano]] [[Mount Parker (Philippines)|Mount Parker]] in the Philippines has a major eruption.
* [[January 14]] &ndash; [[Battle of Malacca (1641)|The Battle of Malacca]] concludes with the [[Dutch East India Company]] ending [[Portuguese Malacca|Portuguese control of Malacca]].
* [[January 18]] &ndash; The [[Junta de Braços]] (council of Estates) of the [[Principality of Catalonia]], led by [[Pau Claris]], accepts the proposal to establish the [[Catalan Republic (1640–1641)|Catalan Republic]] under French protection.
* [[February 16]] &ndash; King [[Charles I of England]] gives his assent to the [[Triennial Act 1640]], reluctantly committing himself to parliamentary sessions of at least fifty days, every three years.<ref>{{cite book | last = Fritze | first = Ronald | title = Historical dictionary of Stuart England, 1603–1689 | publisher = Greenwood Press | location = Westport, CT | year = 1996 | isbn = 9780313283918 | page=311}}</ref>
* [[March 7]] &ndash; King Charles I of England decrees that all Roman Catholic priests must leave England by April 7 or face being arrested and treated as traitors.
* [[March 22]] &ndash; The trial for high treason begins for [[Thomas Wentworth, 1st Earl of Strafford]], director of England's [[Council of the North]].
* [[March 27]]
**The [[Battle of Preßnitz|Battle of Pressnitz]] begins between the Holy Roman Empire and Sweden.
**The [[Siege of São Filipe]] begins in the Azores as the Portuguese Navy fights to drive the Spanish out. After almost 11 months, the Portuguese prevail on March 4, 1642.