57 reactions | More than 100 movies and 15,000 episodes all on the NBC App. | NBC | Facebook

1.4K views · 35 reactions | Want a crash course in America History? Watch our "Lectures in History" series every night this week starting at 8pm ET on C-SPAN 3 for a different era. Tonight: Antebellum Era, Civil War, Reconstruction & Gilded Age. Want the two minute version? Ready, go... | American History TV | Facebook

In honor of Black History Month, we want to celebrate the contributions and achievements of Black people in the fields of science and medicine, whose discoveries and innovations have ripple effects still to this day. | National Geographic TV

267K views · 1.9K reactions | During a 1968 episode of The Dean Martin Show, a running gag involving Martin jumping onto a piano took an unexpected twist when the crew secretly replaced the sturdy instrument with a prop designed to collapse. When Martin made his usual jump, the piano dramatically broke apart, resulting in his genuine shock and the audience's laughter. Credit: @nbcuniversal | History In Pictures | Facebook