- February 18 -
Democratic Republic of the Congo flag adopted.
- March 4 -
Bristol flag adopted.
- March 16 -
Aosta Valley flag adopted.
- May 9 -
Easter Island flag adopted.
- May 23 -
Federal Territories of Malaysia flag adopted.
- June 9 -
Kaliningrad Oblast flag adopted.
- June 20 -
Ukrainian Ground Forces flag adopted.
- July 11 -
Salt Lake City flag adopted.
- August 16 -
Annandale flag adopted.
- October 4 -
Lesotho flag adopted.
- Unknown -
Islamic State and
Rockaway Beach flags adopted.