Showing its age, the nearly 20-year-old stadium needed to update its old look.

The changes aren't just cosmetic - a $20 million facelift gives the venue a new lease on life: A colorful facade, wider seats, revamped concourse areas, improved sight lines and better acoustics are part of the updated package.

Skilled construction teams smoothed out the rough edges and improved circulation in the arena but they can't erase years of history from the Horizon. Why not test your memory and take a shot at the trivia questions that follow? Answers are at the bottom.

1. Which act never played the Horizon: Queen, Jimmy Buffet, Michael Jackson, Frank Sinatra, The Who, Madonna?
2. Who was the first team the Chicago Wolves ever played?
3. How and when was Allstate founded?
4. Who was the well-known "voice of Allstate" on TV commercials for many years?
5. Who did the Blue Demons face in the first game ever played at the Rosemont Horizon?
6. What was the opening act at the Horizon?
7. Where did the name Allstate come from?
8. Who has scored the most goals in Wolves' history?
9. What was the act for the Horizon's second show and the Official Grand Opening?
10. Which Chicago personality is helping to bring Arena Football back to the Allstate Arena in 2001?
11. Megasarus, Bigfoot, Reptoid, Nitemare II and Grave Digger performed at the Horizon. What are they?
12. How many Americans have Allstate auto and home insurance?
13. Six past or current No. 1-ranked Grand Slam Champions graced the Horizon on Dec. 11, 1998 for the WTT All-Star Smash Hits Tennis Tournament to Benefit AIDS. Who were they?
14. Name the three (3) professional soccer teams to call the Horizon home.
15. World Wrestling Federation Wrestlemania II and XIII were held at the Horizon. What were the years?
16. Bobby McFerrin provided the singing and speaking voices of 53 characters in what Horizon extravaganza?
17. Besides DePaul, what other men's college basketball team called the Horizon home for some of its games?
18. What was the name of the Arena Football team to play in the Horizon in the late 1980s?
19. Who holds the single-game scoring record at the Rosemont Horizon?
20. Who was the first opponent to beat DePaul at the Hori-zon?
21. When did Allstate move into its Northbrook campus?

1. Jimmy Buffet
2. Detroit Vipers
3. The idea was born on a suburban commuter train. Gen. Robert Wood, president of Sears, Roebuck, typically played bridge with a handful of fellow businessmen on the way to work. One day in the fall of 1930, one of his bridge partners casually suggested that Sears should sell auto insurance through its catalog. Gen. Woods liked the idea, and the first policy was sold on May 17, 1931.
4. Ed Reimers
5. Gonzaga. DePaul won the game, 74-56.
6. Fleetwood Mac
7. It was a brand of Sears tire.
8. Steve Maltais
9. Kenny Rogers
10. Walter Payton
11. Monster trucks
12. 14 million households are covered by Allstate, one of every eight cars and homes in the nation.
13. Andre Agassi, Billie Jean King, Pete Sampras, Monica Seles, Lindsay Davenport, Martina Navratilova
14. Sting, Power, Horizons
15. 1986, 1997
16. Wizard of Oz on Ice
17. Loyola
18. Chicago Bruisers
19. Stanley Brundy. Scored 47 points vs. Loyola Marymount, Dec. 23, 1988.
20. Old Dominion beat De-Paul 63-62 in the eighth DePaul game at the Horizon on Jan. 10, 1981.
21. May 1967. It previously had been located in a building in Skokie and before that in downtown office space.