Remember when flying was fun? The jet age is born when 111 excited passengers board a National Airlines Boeing 707 in New York City and fly to Miami in the first domestic passenger jet flight.

American oil tycoon Armand Hammer shells out more than $5 million for Leonardo da Vinci's notebook, which features 300 notes about water and how it moves. Decode this mystery -- just 14 years later, another tycoon buys it for $30 million. Bill Gates now loans it out to museums for public display.

Ol' Blue Eyes Frank Sinatra is born in Hoboken, New Jersey. After a hugely successful start in the music business, his career takes a downturn in his 30s when he damages his vocal chords. He finds success on the big screen but his on-stage magic will not return until later in life, when his songs become more popular than ever. He performs well into his 70s, until his failing health forces him to retire.

Berry Gordy Jr. creates Motown Records, a label that actively discovers and promotes black artists. Some of its biggest acts include The Supremes, Marvin Gaye, The Temptations and Martha & The Vandellas. Watch for Growing Bolder's conversation with Martha Reeves in an upcoming Insider!