As a teenager in the 1460s, who was recognized as the rightful heir to the throne of Castile?

As a teen in the 1480s, which future sculptor of the marble "David" studied art in the Medici gardens in Florence? Which Beatles song did Paul McCartney compose as a teenager, releasing it in 1967 when his father was the age in its ti… As a teenager, which future president met John F. Kennedy at the White House in 1963? As a teenager in 1653, which king danced the role of the rising sun in the "Ballet de la Nuit"? As a teenager in the 1940s, which future president of the Philippines attended convent schools in the U.S.? As a teenager, Noel Coward appeared in "Hearts of the World" (1918), directed by which maker of "The Birth of a Nation"? As a teenager, which Israeli violinist made his American debut on "The Ed Sullivan Show" in 1958? In 1933, Warner Bros. tied its film ads to FDR's new programs by promising "a New ___ in Entertainment." What word comp…