|Centuries:||16th century – 17th century – 18th century|
|Decades:||1570s 1580s 1590s – 1600s – 1610s 1620s 1630s|
|Years:||1601 1602 1603 – 1604 – 1605 1606 1607|
|1604 by topic:|
|Arts and Science|
|Architecture - Art - Literature - Music - Science|
|Lists of leaders|
|Colonial governors - State leaders|
|Birth and death categories|
|Births - Deaths|
|Establishments and disestablishments categories|
|Establishments - Disestablishments|
|Ab urbe condita||2357|
|English Regnal year||1 Ja. 1 – 2 Ja. 1|
|Chinese calendar||癸卯年 (Water Rabbit)
4300 or 4240
— to —
甲辰年 (Wood Dragon)
4301 or 4241
|- Vikram Samvat||1660–1661|
|- Shaka Samvat||1526–1527|
|- Kali Yuga||4705–4706|
|Japanese calendar||Keichō 9
|Julian calendar||Gregorian minus 10 days|
|Minguo calendar||308 before ROC
|Thai solar calendar||2146–2147|
|Wikimedia Commons has media related to 1604.|
1604 (MDCIV) was a leap year starting on Thursday (dominical letter DC) of the Gregorian calendar and a leap year starting on Sunday (dominical letter AG) of the Julian calendar, the 1604th year of the Common Era (CE) and Anno Domini (AD) designations, the 604th year of the 2nd millennium, the 4th year of the 17th century, and the 5th year of the 1600s decade. Note that the Julian day for 1604 is 10 calendar days difference, which continued to be used from 1582 until the complete conversion of the Gregorian calendar was entirely done in 1929.
- January 14 – The Hampton Court Conference is held between James I of England, the Anglican bishops and representatives of the Puritans. Work begins on the Authorized King James Version of the Bible and revision of the Book of Common Prayer.
- June – Ottoman–Safavid War (1603–18): Shāh Abbas I of Persia's Safavid army captures the city of Yerevan from the Ottoman Empire after a siege. At this time the Shāh begins the expulsion of Armenians from Jolfa to New Julfa in his capital of Isfahan; more than 25,000 die during the exodus.
- August 18 – England concludes the Treaty of London with Spain, ending the Anglo-Spanish War (1585–1604), an intermittent conflict within the Eighty Years' War.
- September 1 – Sri Guru Granth Sahib, the religious text of Sikhism, is installed at Harmandir Sahib in Amritsar.
- September 20 – Ostend is captured by Spanish forces under Ambrogio Spinola after a 3-year siege.
- October 4 – Za Dengel, Emperor of Ethiopia, is killed in battle with the forces of Za Sellase, who restores his cousin Yaqob to the throne.
- October 9 – The supernova which becomes known as Kepler's Supernova (SN 1604) is first observed from northern Italy. From October 17, Johannes Kepler begins a year's observation of it from Prague. There won't be another "naked-eye" supernova to be seen until 1987. As of 2006[update], this is the last supernova to be observed in the Milky Way.
- November 1 – First recorded performance of William Shakespeare's tragedy Othello, at the Palace of Whitehall in London.
- December 26 (St. Stephen's night) – First recorded performance of Shakespeare's tragedy King Lear, before King James I of England in the banqueting hall of Whitehall Palace.
- The Sikh holy scripture Guru Granth Sahib is compiled and edited by Guru Arjan.
- France begins settling Acadia, first successful French North American colony.
- Before 1 October, Huntingdon Beaumont completes the Wollaton Wagonway, built to transport coal from the mines at Strelley to Wollaton just west of Nottingham, England, the world's oldest wagonway with provenance.
- The Table Alphabeticall, the first known English dictionary to be organized by alphabetical ordering, is published.
- First publication of Christopher Marlowe's play The Tragical History of Doctor Faustus, in London.
- Lancelot de Casteau's L'Ouverture de cuisine published in Liège, including the first printed recipe for choux pastry.
- According to legend, the vault of Christian Rosenkreuz is discovered.
- The Papacy is expected to fall this year by Tobias Hess and Simon Studion according to their correspondence in 1597.
- January 4 – Jakob Balde, German Latinist (d. 1668)
- February 24 – Arcangela Tarabotti, born Elena Tarabotti, Venetian nun and feminist (d. 1652)
- March 10 – Johann Rudolf Glauber, German-Dutch alchemist and chemist (approximate date; d. 1670)
- April 5 – Charles IV, Duke of Lorraine (d. 1675)
- May 10 – Jean Mairet, French dramatist (d. 1686)
- June 17 – John Maurice, Prince of Nassau-Siegen (d. 1679)
- August 3 – John Eliot, English puritan missionary (d. 1690)
- August 4 – François Hédelin, abbé d'Aubignac, French author (d. 1676)
- August 12 – Tokugawa Iemitsu, Japanese shogun (d. 1651)
- August 16 – Bernhard of Saxe-Weimar, general in the Thirty Years' War (d. 1639)
- September 13 – William Brereton, English soldier and politician (d. 1661)
- October 14 – Nils Brahe, Swedish soldier (d. 1632)
- November 3 – Osman II, Sultan of the Ottoman Empire (d. 1622)
- date unknown
- Early? – Thomas North, English translator of Plutarch (b. 1535)
- January 23 – Hyujeong, Korean Seon master (b. 1520)
- February 29 – John Whitgift, English Archbishop of Canterbury (b. 1530)
- March 4 – Fausto Paolo Sozzini, Italian theologian (b. 1539)
- March 13 – Arnaud d'Ossat, French diplomat and writer (b. 1537)
- April 1 – Thomas Churchyard, English author, secretary to Edward de Vere (b. 1520)
- May 5 – Claudio Merulo, Italian composer (b. 1533)
- June 10 – Isabella Andreini, Italian actress (b. 1562)
- June 24 – Edward de Vere, 17th Earl of Oxford, Lord Great Chamberlain of England, poet and possibly playwright (b. 1550)
- August 3 – Bernardino de Mendoza, Spanish military commander
- August 8 – Horio Tadauji, Japanese warlord (b. 1578)
- August 20 – Toda Kazuaki, Japanese samurai (b. 1542)
- September 10 – William Morgan, Welsh Bible translator (b. 1545)
- October 4 – Za Dengel, Emperor of Ethiopia
- October 18 – Igram van Achelen, Dutch statesman (b. 1528)
- November – Thomas Storer, English poet (b. 1571)
- December 3 – George Hastings, 4th Earl of Huntingdon, English nobleman (b. 1540)
- December 22 – Kuroda Yoshitaka, Japanese Daimyo (b. 1546)
- Late – Richard Topcliffe, English politician and torturer (b. 1531)
- Palmer, Alan; Veronica (1992). The Chronology of British History. London: Century Ltd. pp. 166–168. ISBN 0-7126-5616-2.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
- "SN 1604, Kepler's Supernova". Archived from the original on 24 June 2011. Retrieved 2011-06-22.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
- "Three Great Eyes on Kepler's Supernova Remnant". NASA. Retrieved 2011-06-22.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
- Scholars date completion as between 1603 and 1606. Boyce, Charles (1990). Encyclopaedia of Shakespeare. New York: Roundtable Press.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
- The exact date is unknown, but a surviving account book for the year ended September 30 1604 proves it was built within the preceding 12 months.