medieval time period By brysonb. 323 greek civilization B.C. Feb 25, 1200 roman empire B.C. Feb 25, 1300 renaissance Feb 25, 1789 french revolution Feb 25, 1859 suez canal opened Feb 25, 1920 WW I Feb 25, 1939 WW II Feb 25, 1941 UN created Feb 25, 1955 Vietnam War Feb 25, 1960 space age