Posted: May 24, 2017 at 7:00 pm TIL Police officers are blue because they were originally surplus US army uniforms after the civil war submitted by /u/Kenneth441 to r/todayilearned [link] [comments] Source: Reddit: TGIOKDI Upvoted Related Subscribe Login Notify of new follow-up comments new replies to my comments Label {} [+] Name* Email* Website Δ Label {} [+] Name* Email* Website Δ 0 Comments Inline Feedbacks View all comments