As we enter a new decade, it's time to take our annual look back at the notable pop-culture anniversaries we'll be observing this year. If you feel old, don't say we didn't warn you.
50TH ANNIVERSARY (1960)
June 16. "Psycho" - To this day, there still may be some folks who have never showered again after seeing Alfred Hitchcock's thriller.
Sept. 19. "The Twist" - Eighteen-year-old Philly chicken plucker Ernest Evans (aka Chubby Checker) hits No. 1 as a dance craze sweeps America.
Sept. 26. First Nixon-Kennedy debate - TV's crucial role in politics is made perfectly clear.
Sept. 30. "The Flintstones" - The modern Stone Age family premieres, offering a prime-time cartoon that both kids and grown-ups could enjoy. Yabba dabba doo!
40TH ANNIVERSARY (1970)
Dec. 31. The Beatles break up - The long and winding road reaches its inevitable end as Paul McCartney files a lawsuit against the other three members asking that the band be legally dissolved. PHOTOS: Beatles through the years.
30TH ANNIVERSARY (1980)
June 1. CNN launches - All TV news all the time? That concept will never work.
July 25. "Caddyshack" - Who knew the country-club farce would become a cult classic?
Nov. 21. The resolution of the "Who Shot JR?" episode on "Dallas" - The biggest TV audience to date tunes in to see whodunit (it was Kristin).
Dec. 8. John Lennon murdered - "Fan" Mark Chapman guns down the former Beatle outside his Central Park West residence.
25TH ANNIVERSARY (1985)
Feb. 15. "The Breakfast Club" - John Hughes' movie showcases the Brat Pack at its height.
Oct. 2. Rock Hudson's death - The handsome leading man becomes the first major personality to die from AIDS.
20TH ANNIVERSARY (1990)
April 8. "Twin Peaks" - David Lynch's surreal TV series stretched the boundaries of prime-time drama before it fizzled out.
May 31. "Seinfeld" - Almost a year after its pilot aired, the show about nothing gets a regular slot on the NBC sked. PHOTOS: Scenes from "Seinfeld"
June 12. Mariah Carey debuts - The Harborfield grad's self-titled album is released, yielding four No. 1 singles and spending 11 weeks at the top of the album charts. PHOTOS: Mariah Carey on the red carpet and in concert.
Nov. 16 "Home Alone" - Macaulay Culkin will turn 30 this year, but in our mind he's always going to be 8-year-old burglar-basher Kevin McAllister.
10TH ANNIVERSARY (2000)
March 21. *N Sync breaks out - Justin Timberlake and his boys set the one-week Nielsen SoundScan sales high of 2.4 million with their album "No Strings Attached." It sells 1 million the first day, 9 million by year's end. PHOTOS: The many faces of Justin Timberlake
May 31. "Survivor" - The reality era begins on network TV and is still going strong despite "Joe Millionaire" and "Who's Your Daddy?"
Oct. 6. "CSI: Crime Scene Investigation" - Gil Grissom and Co. crack their first case as TV's most successful franchise begins.