From Wikipedia, the free encyclopedia
|Centuries:||16th century – 17th century – 18th century|
|Decades:||1590s 1600s 1610s – 1620s – 1630s 1640s 1650s|
|Years:||1617 1618 1619 – 1620 – 1621 1622 1623|
|1620 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||2373|
|English Regnal year||17 Ja. 1 – 18 Ja. 1|
— to —庚申年十二月初八日
|- Vikram Samvat||1676–1677|
|- Shaka Samvat||1542–1543|
|- Kali Yuga||4721–4722|
|- Ǹrí Ìgbò||620–621|
|Japanese calendar||Genna 6
|Juche calendar||N/A (before 1912)|
|Julian calendar||Gregorian minus 10 days|
|Minguo calendar||292 before ROC
|Thai solar calendar||2163|
|Wikimedia Commons has media related to: 1620|
- February 4 – Prince Bethlen Gabor signs a peace treaty with Ferdinand II, Holy Roman Emperor.
- May 17 – The first merry-go-round is seen at a fair (Philippapolis, Turkey).
- June 3 – The oldest stone church in French North America, Notre-Dame-des-Anges, is begun at Quebec City, Quebec Canada.
- July 3 – Under the terms of the Treaty of Ulm, the Protestant Union declares neutrality and ceases to support Frederick V of Bohemia.
- July 15 – The ship Speedwell departs Delfshaven with the Leiden colonists and Pilgrims.
- August 5 (O.S.) – The Mayflower and Speedwell depart together from Plymouth, England, but the Speedwell starts to leak again and must stop.
- August 7
- August 8 – Mysterious rain of frogs in Weil der Stadt
- September 6 (O.S.) – The Mayflower departs from Plymouth, England, on its 3rd attempt without the Speedwell, arriving on November 11 (Old Style date) at Cape Cod (named from Concord voyage of 1602).
- September 17–October 7 – Battle of Cecora: The Ottoman Empire defeats Polish-Lithuanian Commonwealth–Moldavian troops.
- October 6 – The Roman Catholic Ras Sela Kristos, half-brother of the Emperor Susenyos crushes a group of rebels in at Mount Amedamit in Gojjam, who were opposed to Susenyos' pro-Catholic beliefs.
- November 3 – The Great Patent is granted to Plymouth Colony.
- November 8 – Thirty Years' War – Battle of White Mountain: Catholic forces are victorious in only two hours near Prague.
- November 21
- December 21 – Plymouth Colony: William Bradford and the Mayflower Pilgrims land on what is now known as Plymouth Rock in Plymouth, Massachusetts.
Date unknown 
- A severe frost in England, with the Thames frozen. 13 continuous days of snow in Scotland. On Eskdale Moor only 35 of a flock of 20,000 sheep survive.
- Francis Bacon publishes the Novum Organum (beyond Aristotle's Organon) on logical thinking.
- Two officers of the British East India Company attempt to claim the Table Mountain region (in present-day South Africa) for England, but fail.
- Shogun Tokugawa Hidetada restores Osaka Castle. Its current appearance dates from this remodeling.
- The modern violin is developed.
- Witch hunts begin in Scotland.
- Cornelius Drebbel, at the Thames, builds an undersea boat (history of submarines).
- Juan Pablo Bonet, teacher of deaf children in the Spanish court, creates the sign alphabet.
- Thirty Years' War (1618–1648) continues (principally on the territory of today's Germany).
- February 4 – Gustaf Bonde, Swedish statesman (d. 1667)
- February 5 – Paul Barbette, Dutch physician (d. 1666?)
- February 15 – François Charpentier, French archaeologist (d. 1702)
- February 16 – Friedrich Wilhelm I of Brandenburg (d. 1688)
- March 12 – Johann Heinrich Hottinger, Swiss philologist and theologian (d. 1667)
- April 17 – Marguerite Bourgeoys, French Catholic nun and founder of the Congregation of Notre Dame (d. 1700)
- July 20 – Nikolaes Heinsius the Elder, Dutch scholar (d. 1691)
- July 21 – Jean Picard, French astronomer (d. 1682)
- October 1 – Nicolaes Pieterszoon Berchem, Dutch painter (d. 1683)
- October 20 – Aelbert Cuyp, Dutch painter (d. 1691)
- October 31 – John Evelyn, English diarist and writer (d. 1706)
- November 20 – Peregrine White, first English child born at Plymouth Colony (d. 1704)
- December 18 – Heinrich Roth, German Sanskrit scholar (d. 1668)
- February 19 – Roemer Visscher, Dutch writer (b. 1547)
- March 1 – Thomas Campion, English poet and composer (b. 1567)
- March 17 – St. John Sarkander, Moravian priest (injuries caused by torturing) (b. 1576)
- March 25 – Johannes Nucius, German composer (b. c. 1556)
- May 6 – Hayyim ben Joseph Vital, Palestinian-born Kabbalist (b. 1543)
- May 16 – William Adams, English navigator and samurai (b. 1564)
- August 18 – Wanli Emperor of China (b. 1563)
- September 26 – Taichang Emperor of China (b. 1582)
- October 7 – Stanisław Żółkiewski, Polish military leader (b. 1547)