This airticle is aboot the year 1584.

1584 (MDLXXXIV) wis a leap year stairtin on Sunday o the Gregorian calendar and a leap year stairtin on Wadensday o the Julian calendar, the 1584t year o the Common Era (CE) an Anno Domini (AD) designations, the 584t year o the 2nt millennium, the 84t year o the 16t century, an the 5t year o the 1580s decade. As o the stairt o 1584, the Gregorian calendar wis 10 days aheid o the Julian calendar, that remeened in localised use till 1923.

Millennium: 2nt millennium
Centuries: 15t century16t century17t century
Decades: 1550s  1560s  1570s  – 1580s –  1590s  1600s  1610s
Years: 1581 1582 158315841585 1586 1587