This airticle is aboot the year 1638.

1638 (MDCXXXVIII) wis a common year stairtin on Fryday o the Gregorian calendar and a common year stairtin on Monanday o the Julian calendar, the 1638t year o the Common Era (CE) an Anno Domini (AD) designations, the 638t year o the 2nt millennium, the 38t year o the 17t century, an the 9t year o the 1630s decade. As o the stairt o 1638, the Gregorian calendar wis 10 days aheid o the Julian calendar, that remeened in localised use till 1923.

Millennium: 2nt millennium
Centuries: 16t century17t century18t century
Decades: 1600s  1610s  1620s  – 1630s –  1640s  1650s  1660s
Years: 1635 1636 163716381639 1640 1641