There was no internet in 1975 and Bill Gates had just founded Microsoft. In 2015, Apple iPhones and iPads are everywhere to be found. (Shutterstock)
Nowadays, Taylor Swift is the most popular name in music. But in 1975, Elton John was the king of the Billboard charts. (AP)
Floyd Mayweather's fight against Manny Pacquiao captivated the country in 2015. In 1975, Muhammad Ali and Joe Frazier's "Thrilla in Manilla" was the talk of the sports world. (AP)
The Fall of Saigon signified the end of the Vietnam war in 1975. But in 2015, the United States' shaky relationship with North Korea is often at center stage. (AP)
Social issues captivated in both eras: Leonard P. Matlovich came out as the first openly gay military member in 1975, and marijuana is legal in four states in 2015. (AP)
Steven Spielberg's "Jaws" became the first true summer blockbuster in 1975. In 2015, the Avengers are currently taking a bite out of the summer box office. (Getty|AP)