March 27: Day of the Union of Bessarabia with Romania (1918)Ball-and-stick model of sildenafil1884 Outraged by a jury's decision to convict a man of manslaughter instead of murder, a mob in Cincinnati, Ohio, began three days of rioting.1899 PhilippineAmerican War: American forces defeated troops commanded by Philippine president Emilio Aguinaldo at the Battle of Marilao River.1998 The Food and Drug Administration approved the drug sildenafil (chemical structure pictured), better known by the trade name Viagra, as the first treatment approved in the United States as a treatment for erectile dysfunction.1999 NATO bombing of Yugoslavia: A U.S. Air Force F-117 stealth aircraft was shot down by a Yugoslav Army unit.2020 North Macedonia became a member of the North Atlantic Treaty Organization (NATO).Jonathan Jennings (b.1784)Doug Wilkerson (b.1947)Elisheva Bikhovski (d.1949)T.Sailo (d.2015)More anniversaries: March 26March 27March 28ArchiveBy emailList of days of the yearAbout