HOMOMONUMENT KEIZERSGRACHT AMSTERDAMThe monument is a memorial in the centre of Amsterdam. It commemorates all gay men and lesbians who have been subjected to persecution because of their homosexuality. Opened on September 5, 1987. It takes the form of three large pink triangles, set into the ground so as to form a larger triangle, on the bank of the Keizersgracht canal, near the historic Westerkerk church. It is the first monument in the world to commemorate gays and lesbians who were deported and killed by the Nazis.