1. Taylor Swift attended her first major award show.
2. Apple released the original iPhone.
3. High School Musical 2 was one of the most anticipated movies of the year.
4. Zac Efron and Vanessa Hudgens were hardcore relationship goals.
5. "Crank That" by Soulja Boy Tell'em changed the dance world forever.
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6. The iTunes logo featured a CD.
7. Miley Cyrus went on tour with Hannah Montana.
8. Miley Cyrus and Nick Jonas were totally a thing.
9. Justin Bieber posted his first YouTube video.
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10. Selena Gomez's red carpet style was on point.
Converse game strong.
11. Keeping Up With the Kardashians aired its first episode.
12. That's So Raven aired its last episode.
13. Britney Spears shaved her hair off.
#HairQuiz - What year did Britney Spears famously shave her head in an outrageous cry for help?
14. Beyoncé and Jay Z were dating.
15. Charlie bit his big brother's finger.
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And it really hurt.