Palm Sunday Massacre may refer to: 1984 Palm Sunday massacre, a 1984 multiple homicide in Brooklyn, New York Battle of Palm Sunday or Massacre of Palm Sunday, a 1429 Scottish clan battle Palm Sunday Massacre, a 1943 World War II battle as part of Operation Flax Palm Sunday church bombings, twin church bombings in Egypt on April 9, 2017 2025 Sumy airstrike, in which 35 people were killed.