1641 in Portugal

Decades:	1620s; 1630s; 1640s; 1650s; 1660s;
See also:	History of Portugal; Timeline of Portuguese history; List of years in Portugal;

Events in the year 1641 in Portugal.

Incumbents

March 27 – beginning of the 11 month Siege of São Filipe near Angra do Heroismo in the Azores
June 12 – Treaty of The Hague (1641) is signed in The Hague representatives of the States-General of the Netherlands and by the ambassador of the Kingdom of Portugal
November 18 – John IV ratifies the treaty of The Hague

1641 in Europe
Sovereign states	Albania Andorra Armenia Austria Azerbaijan Belarus Belgium Bosnia and Herzegovina Bulgaria Croatia Cyprus Czech Republic Denmark Estonia Finland France Georgia Germany Greece Hungary Iceland Ireland Italy Kazakhstan Latvia Liechtenstein Lithuania Luxembourg Malta Moldova Monaco Montenegro Netherlands North Macedonia Norway Poland Portugal Romania Russia San Marino Serbia Slovakia Slovenia Spain Sweden Switzerland Turkey Ukraine United Kingdom
States with limited recognition	Abkhazia Kosovo Northern Cyprus South Ossetia Transnistria
Dependencies and other entities	Åland Faroe Islands Gibraltar Guernsey Isle of Man Jersey Svalbard