Sunday Bloody Sunday (John Lennon and Yoko Ono song) government into removing its troops from Northern Ireland, shortly before Lennon moved to New York. On 30 January 1972 at a protest march in Derry, 13 marchers were killed by members of the 1st Battalion, Parachute Regiment. The killing was quickly dubbed "Bloody Sunday". Lennon, who was living in New York at the time, was enraged by the massacre and wrote "Sunday Bloody Sunday" as an angry response. The lyrics of "Sunday Bloody Sunday" express Lennon's anger. Ben Urish and Ken Bielen explain that the lyrics "start off with some nice rhetorical spins and a modicum of insight" but eventually
Sunday Bloody Sunday after the September 11, 2001 attacks, the "no more!" interlude was replaced by Bono holding an American flag. "Sunday Bloody Sunday" was used during the Vertigo Tour of 2005 and 2006, often alongside "Bullet the Blue Sky" and "Love and Peace or Else" as a trio of politically driven songs performed during the middle part of the band's set. Bono extended the "no more!" interlude to explain a headband he had donned in the previous song. The headband depicted the word "coexist" (written to depict a crescent, a Star of David, and a Christian cross). The Coexist symbol is trademarked