This airticle is aboot the year 1582.

1582 (MDLXXXII) wis a common year stairtin on Monanday o the Julian calendar, the 1582nt year o the Common Era (CE) an Anno Domini (AD) designations, the 582nt year o the 2nt millennium, the 82nt year o the 16t century, an the 3rd year o the 1580s decade. As o the stairt o 1582, the Gregorian calendar wis 10 days aheid o the Julian calendar, that haed previously been the universally acceptit calendar in Christian naitions. Houiver, this year saw the beginnin o the Gregorian Calendar switch, whan the Papal bull kent as Inter gravissimas introduced the Gregorian calendar, adoptit bi Spain, Portugal, the Pols–Lithuanie Commonwealth an maist o present-day Italy frae the stairt. In thir kintras, the year conteena'd as normal till Fuirsday, October 4. Houiver, the next day becam Fryday, October 15 (lik a common year stairtin on Friday), in thae kintras (Fraunce follaed twa months later, lettin Sunday, December 9 be follaed bi Monday, December 20). Ither kintras conteena'd uisin the Julian calendar for decades or, in some cases, centuries.

Millennium: 2nt millennium
Centuries: 15t century16t century17t century
Decades: 1550s  1560s  1570s  – 1580s –  1590s  1600s  1610s
Years: 1579 1580 158115821583 1584 1585