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This airticle is aboot the year 1631.

1631 (MDCXXXI) wis a common year stairtin on Wadensday o the Gregorian calendar (dominical letter E), the 1631st year o the Common Era (CE) an Anno Domini (AD) designations, the 631st year o the 2nt millennium, the 31st year o the 17t century, an the 2nt year o the 1630s decade atween 1583 an 1929 an wi Julian Value: 1631 is 10 calendar days difference, which continued tae be uised till the complete conversion o the Gregorian calendar wis entirely duin in 1929.

Millennium: 2nt millennium
Centuries: 16t century17t century18t century
Decades: 1600s  1610s  1620s  – 1630s –  1640s  1650s  1660s
Years: 1628 1629 163016311632 1633 1634