(页面存档备份,存于互联网档案馆),烏克蘭真理報 (16-4-2020) Ukraine marks National PoliceDay on July 4,UNIAN (4-7-2018) Law on national police enacted in Ukraine. 烏克蘭國際文傳電訊社. 2015-11-07 [2023-07-04]
Memorial in 1960’s (p. 18) The day 21st Oct is befittingly observed as “Police Commemoration Day” and every year, members of police forces from different parts
Day mêlée(英语:The Los Angeles May Day mêlée), May 1, Los Angeles, California 2009 – Riots against BART Police shooting of Oscar Grant(英语:BART Police shooting