1. Remember the scene where the Simpsons family had lunch sitting on a girder high above the city?
It was inspired by the iconic 1932 photograph "Lunch atop a Skyscraper." The image shows construction workers lunching on the 69th floor of the former RCA building in Manhattan.
2. What about this festive gathering in the woods?
The scene actually mimics a photograph taken by Burk Uzzle during the 1969 Woodstock Music Festival.
3. Here's a Duff zeppelin crashing over Springfield. Or is it?
The image was inspired by the Hindenburg disaster in 1937. The German airship caught on fire due to an electrostatic discharge.
4. Here's Apu, Skinner, Barney and Homer chilling with the one and only Yoko Ono.
The original photograph shows The Beatles recording their eleventh studio album, "Abbey Road."
5. Look familiar?
Homer's holding an album that looks strikingly like The Beatles' "Abbey Road."
6. Here's a curious still from an episode of what seems to be the Loch Ness monster.
And indeed, it is. It's the first known photograph of Nessie, taken by Hugh Gray in 1933.
7. Even Itchy and Scratchy borrowed some ideas from history.
Like the pandemonium that followed the murder of Lee Harvey Oswald.
8. With his hand on his hip, Bart looks almost like a model.
He's imitating an iconic pose by American actress, dancer, singer and self-proclaimed "number one pin-up girl" Betty Grable, from 1943.
9. But who is this soldier?
"The Simpsons" is actually evoking Robert Capa's photograph "The Falling Soldier," depicting a Spanish Republican soldier dying during the Spanish Civil War in 1936.
10. Here's Millhouse with a really long face.
The actual photograph depicts a French man crying during the Nazi occupation of France, 1940.
11. In this frame, Martin announces big news.
Whereas in real life, it was Truman holding the inaccurate version of Chicago Tribune after his victory in the 1948 Presidential Election.
12. Here's the gang planting a long pole on the beach.
In the original scene, there were five U.S. marines and one corpsman raising the American flag on Iwo Jima's Mount Suribachi.
13. In this episode, the entire town of Springfield got in line to board a helicopter.
The original photograph captures the evacuation of American civilians and at-risk Vietnamese during the Fall of Saigon in 1975.
14. Burns and Elvis?
The framed photo references the secret meeting between Elvis and President Nixon in 1970.
15. Lisa waves after winning the Little Miss Springfield contest.
In reality, it was President Lyndon B. Johnson taking the oath of office two hours after the assassination of John F. Kennedy.
Related: 13 First Times In History.
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