In 1966, which St. Louis structure won the American Institute of Architects' Henry Bacon Medal?

In 1961, which African-American soprano made her Metropolitan Opera debut as Leonora in "Il trovatore"? In 1962, which country swapped 1,113 prisoners it had captured in the Bay of Pigs invasion for $53 million in aid? In 1963, a "hot line" emergency link went into effect between Washington, D.C., and which world city? In 1963, the Four Seasons sang about being "happy as can be" with which sweet "Girl"? In 1969, Michael and his brothers released their debut album "... Presents the Jackson 5", named for which Motown diva? In 1969, the title of chief justice passed from which Warren to Warren Burger? In 1973, Revlon launched which top-selling perfume, reportedly named for company founder Charles Revson? In 1973, who helped found the Women's Tennis Association and served as its first president?