War Memorial Opera House Japanese sneak attack and bombing of Pearl Harbor, Hawaii, marking the American entry into World War II in December 1941, the households was regularly blacked out and performances were monitored by air raid wardens. In spring of 1945, the United Nations had its San Francisco Conference (UN Conference on International Organization) first organizing assembly there. The UN Charter was later drafted and signed in the Herbst Theatre next door. Six years later in 1951, the Treaty of San Francisco, declaring peace with Japan was drafted and signed here and in the Herbst Theatre. During the years of Kurt Herbert Adler's
San Francisco in the 1970s but also rock music and disco thrived in the city in the 1970s, and from the late 1970s onwards San Francisco also became a major focal point in the North American and international punk, thrash metal, and rave scenes. In 1967, thousands of young people had entered the Haight-Ashbury district during what became known as the Summer of Love. The San Francisco Sound emerged as an influential force in rock music, with such acts as Jefferson Airplane and the Grateful Dead achieving international prominence. These groups blurred the boundaries between folk, rock and jazz traditions and further developed rock's lyrical