1580

1580 (MDLXXX) was a leap year starting on Friday in the Julian calendar.

Millennium:	2nd millennium
Centuries:	15th century – 16th century – 17th century
Decades:	1550s  1560s  1570s  – 1580s –  1590s  1600s  1610s
Years:	1577 1578 1579 – 1580 – 1581 1582 1583

1580 in other calendars

Gregorian calendar	1580 MDLXXX
Ab urbe condita	2333
Armenian calendar	1029 ԹՎ ՌԻԹ
Assyrian calendar	6330
Balinese saka calendar	1501–1502
Bengali calendar	987
Berber calendar	2530
English Regnal year	22 Eliz. 1 – 23 Eliz. 1
Buddhist calendar	2124
Burmese calendar	942
Byzantine calendar	7088–7089
Chinese calendar	己卯年 (Earth Rabbit) 4276 or 4216     — to — 庚辰年 (Metal Dragon) 4277 or 4217
Coptic calendar	1296–1297
Discordian calendar	2746
Ethiopian calendar	1572–1573
Hebrew calendar	5340–5341
Hindu calendars
- Vikram Samvat	1636–1637
- Shaka Samvat	1501–1502
- Kali Yuga	4680–4681
Holocene calendar	11580
Igbo calendar	580–581
Iranian calendar	958–959
Islamic calendar	987–988
Japanese calendar	Tenshō 8 (天正８年)
Javanese calendar	1499–1500
Julian calendar	1580 MDLXXX
Korean calendar	3913
Minguo calendar	332 before ROC 民前332年
Nanakshahi calendar	112
Thai solar calendar	2122–2123
Tibetan calendar	ས་མོ་ཡོས་ལོ་ (female Earth-Hare) 1706 or 1325 or 553     — to — ལྕགས་ཕོ་འབྲུག་ལོ་ (male Iron-Dragon) 1707 or 1326 or 554

Events

• March 1 – Michel de Montaigne signs the preface to his most significant work, Essays. They are published later the same year.
• June 11 – Juan de Garay founds Buenos Aires.
• June 25 – Publication of the Book of Concord, a collection of Lutheran confessional documents.
• July 12 – Publication of the Ostrog Bible, the first complete printed Bible in a Slavic language.
• September 26 – Sir Francis Drake circumnavigated the globe
• Portugal loses independence to Spain following the death without heirs of king Henry of Portugal. The Habsburg rule would last until 1640.
• Yermak entered Siberia with a band of 1636 men. Russia begins the conquest of Siberia.
• Khorasan Wars were fought between Abbas the Great and his father king Mohammed Khodabandeh.