The Armenian Genocide Martyrs Monument, better known as Montebello Genocide Memorial, is a monument in Montebello, California in the Los Angeles metropolitan area, dedicated to the victims of the Armenian genocide of 1915. The monument, opened in April 1968, is a tower of eight arches supported on 75-foot-tall (23 m) white concrete columns. The memorial was designed by Hrant Agbabian. It is the oldest and largest memorial in the United States dedicated to the Armenian Genocide victims. The inscription on the memorial plaque reads:Armenian Martyrs Memorial Monument: This Monument erected by Americans of Armenian descent, is dedicated to the 1,500,000 Armenian victims of the Genocide perpetrated by the Turkish Government, 1915–1921, and to men of all nations who have fallen victim to crimes against humanity.