English: The flag was first flown on Sept. 20, 1975, at Magruder Park in a ceremony attended by local civic officials, churches, schools, and the winners of the flag design contest. [1]
This image shows a flag, a coat of arms, a seal or some other official insignia. The use of such symbols is restricted in many countries. These restrictions are independent of the copyright status.
References
↑"Hyattsville Celebrates 120 Years: Hyattsville History." The Hyattsville Reporter (91). 22 Feb 2006.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.