Countries[]
- May 4 - Palau flag modified.
Non-Countries[]
- January - Liberty Lake and Fort Payne flags adopted.
- March - Lake Wales flag adopted.
- April 17 - Claypool flag adopted.
- May 1 - Anthony flag adopted.
- May 11 - Edmundston flag adopted.
- June - El Dorado flag adopted.
- June 11 - Cedar Bluff flag adopted.
- June 20 - Mesa flag modified.
- July 5 - Nanty Glo flag adopted.
- July 10 - Sioux Falls flag adopted.
- July 24 - Madison, Wisconsin flag modified.
- August - Doylestown and Jamestown flags adopted.
- August 28 - Anaheim flag adopted.
- September - Tiree flag adopted.
- September 8 - Wheeling flag adopted.
- September 17 - Euclid flag adopted.
- October - Clinton, Iowa flag adopted.
- November 6 - Williamsburg, Massachusetts flag adopted.
- November 13 - Folsom flag adopted.
- November 19 - Kalama flag adopted.
- November 30 - Little Havana flag adopted.
- December 7 - Coventry flag adopted.
- December 13 - East Lothian flag adopted.
- December 14 - Sutherland flag adopted.
- December 16 - Hutchinson flag adopted.
- December 18 - Chandler, Indiana flag adopted.
- December 28 - Augusta flag adopted.
- Unknown date - Bensenville, Butler, Lamoni, Lindsborg, Pittsboro, Sweetwater, Union and Winslow flags adopted/modified.