|Wikimedia Commons has media related to 1704.|
1704 (MDCCIV)was a leap year starting on Tuesday of the Gregorian calendar and a leap year starting on Saturday of the Julian calendar, the 1704th year of the Common Era (CE) and Anno Domini (AD) designations, the 704th year of the 2nd millennium, the 4th year of the 18th century, and the 5th year of the 1700s decade. As of the start of 1704, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923. In the Swedish calendar it was a leap year starting on Friday, one day ahead of the Julian and ten days behind the Gregorian calendar.
- January 25–26 – Apalachee massacre: English colonists from the Province of Carolina, and their native allies, stage a series of brutal raids against a largely pacific population of Apalachee, in Spanish Florida.
- February 29 – Raid on Deerfield (Queen Anne's War): French Canadians and Native Americans sack Deerfield, Massachusetts, killing over 50 English colonists.
- February – In America, Mardi Gras is celebrated with the Masque de la Mobile in the capital of Louisiana (New France), Mobile, Alabama.
- April 21 – The Hungarians (Kurucs) win a costly victory over the Danes in the Battle of Biskupice.
- April 24 – The first regular newspaper in the Thirteen Colonies of British North America, The Boston News-Letter, is published.
- May 28 – Kuruc rebels defeat the Austrian army and its allies in the Battle of Smolenice.
- June 13 – Austrians and their allies from Denmark, Prussia, Croatia, Germany and Vojvodina defeat the Kurucs in the Battle of Koroncó.
беларуская (тарашкевіца): 1704
srpskohrvatski / српскохрватски: 1704