NFL Superbowl champions 

Baseball World Series champions

NBA basketball champions

NHL hockey champions

Miami Dolphins

Oakland "A"s (Athletics)

Boston Celtics

Philadelphia Flyers

Top TV shows of 1974

1. All In The Family
2. Sanford & Son
3. Chico & The Man
4. The Jeffersons
5. M*A*S*H

"Happy Days" made its debut on ABC!

Top books of 1974

Fiction:

• Burr - Gore Vidal
• Watership Down - Richard Adams
• Tinker Tailor Soldier Spy - John le Carre
• Centennial - James Michener

Non-fiction:

• All the President's Men - Carl Bernstein & Bob Woodward
• Plain Speaking - Merle Miller
• The Joy of Sex - Alex Comfort
• Alistair Cooke's America - Alistair Cooke

Stephen King's first novel "Carrie" was published in 1974.

"People" Magazine began its publication in 1974.

Top movies of 1974

1. Blazing Saddles
2. The Towering Inferno
3. The Trial of Billy Jack
4. Young Frankenstein
5. Earthquake
6. The Godfather Part II (which would go on to win Best Picture in 1975)

"Chinatown", "The Conversation" and "The Texas Chainsaw Murders" came out in 1974.  

"The Sting" won the 1974 Academy Award for Best Picture.

"The Way We Were" won Best Song at the 1974 Academy Awards.

Top 20 songs of 1974 (from the Billboard Year-End Hot 100 Singles of 1974

1. The Way We Were - Barbra Streisand
2. Seasons in the Sun - Terry Jacks
3. Love's Theme - Love Unlimited Orchestra
4. Come and Get Your Love - Redbone
5. Dancing Machine - Jackson 5
6. The Loco-motion - Grand Funk Railroad
7. TSOP (The Sound of Philadelphia) - MFSB
8. The Streak - Ray Stevens
9. Bennie and the Jets - Elton John
10. One Hell of a Woman - Mac Davis
11. Until You Come Back to Me (That's What I'm Gonna Do) - Aretha Franklin
12. Jungle Boogie - Kool & the Gang
13. Midnight at the Oasis - Maria Muldaur
14. You Make Me Feel Brand New - The Stylistics
15. Show and Tell - Al Wilson
16. Spiders and Snakes - Jim Stafford
17. Rock On - David Essex
18. Sunshine on My Shoulders - John Denver
19. Sideshow - Blue Magic
20. Hooked on a Feeling - Blue Swede

There are a LOT of great songs that came out in 1974 that weren't in the top 20 - be sure to check out the entire top 100 of 1974 on Billboard on Wikipedia!