This airticle is aboot the year 1604.

1604 (MDCIV) wis a leap year stairtin on Fuirsday o the Gregorian calendar and a leap year stairtin on Sunday o the Julian calendar, the 1604t year o the Common Era (CE) an Anno Domini (AD) designations, the 604t year o the 2nt millennium, the 4t year o the 17t century, an the 5t year o the 1600s decade. As o the stairt o 1604, 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: 1570s  1580s  1590s  – 1600s –  1610s  1620s  1630s
Years: 1601 1602 160316041605 1606 1607