The Barbie doll has kept up with the times and trends since her debut in 1959. Here are some fun facts to boost your Barbie I.Q., courtesy of Mattel Inc.

1. Barbie has had more than 80 careers &045; everything from a rock star to a paleontologist to a presidential candidate.

2. Barbie’s first career was a teenage fashion model.

3. Barbie Goes to College was introduced in 1964.

4. Army Barbie, introduced in 1992, represented a medic Sergeant enlisted in Desert Storm.

5. The first Olympic athlete Barbie was introduced in 1975.

6. Summit Barbie dolls were introduced in the 1980s to commemorate the end of the cold war between the U.S. and the Soviet Union.

7. Barbie represented a candidate for president in 1992 and 2000.

8. The military series of Barbie dolls, Army, Air Force, Navy and Marine Corps went through approvals by the Pentagon to ensure the most realistic costumes.

9. Barbie represented an astronaut in 1965, 1986 and 1994.

10. Barbie was introduced in Europe in 1961.

11. Italian was the first nationality Barbiel represented in the Dolls of the World⪚ Collection.

12. Quinceanera Teresa doll was released in Mexico in 1994 to celebrate Girls Day.

13. The Barbie doll is currently marketed in more than 150 nations around the world.

14. Placed head to toe, Barbie dolls and family members sold since 1959 would circle the earth more than seven times.

15. Every second, two Barbie dolls are sold somewhere in the world.

16. Barbie has represented 45 different nationalities.

17. The first black and Hispanic Barbie dolls were introduced in 1980.

18. The best selling Barbie doll ever was Totally Hair Barbie, with hair from the top of her head to her toes.

19. The full name of Barbie is &uot;Barbie Millicent Roberts.&uot;

She is from Willows, Wis., and went to Willows High School.

20. Barbie has five sisters, Skipper, introduced in 1964, Tutti, a twin introduced in 1966, Stacie in 1992, Kelly in 1995 and Krissy in 1999.

21. Barbie doll’s boyfriend, Ken, made his debut two years after Barbie, in 1961.

22 Ken was named after the son of Mattel founders Ruth and Elliot Handler.

23. Barbie’s best friend, Midge, was introduced in 1963 and then again in 1988 as California Midge.

24. Close to 1 billion fashions have been produced since 1959 for Barbie and her friends.

25. More than 105 million yards of fabric have gone into making Barbie doll and her friends’ fashions, making Mattel one the largest apparel manufacturers in the world.

26. Barbie has had more than a billion pair of shoes and over 100 new additions to her wardrobe annually.

27. Barbie’s signature color is Barbie pink.

28. Barbie was introduced in 1959 and first appeared in the now-famous black and white striped swimsuit and signature ponytail.

29. The inventor of the Barbie doll is Ruth Handler, co-founder of Mattel.

She named the doll after her daughter, Barbara.

30. The first Barbie doll sold for $3.

31. During the first year of her introduction in 1959, 351,000 Barbie dolls were sold.

32. An original 1959 Barbie doll in mint condition has sold for up to $10,000.

33. Barbie is currently a $1.5 billion-per-year industry.

34. Barbie celebrated 45 years as the world’s most popular fashion doll in 2004.