Alan Rock's Trivia!

Questions:

1)  How many zeros are there in 1 billion?

2)  What type of animal did Warner Brothers' Pepe le Pew represent?

3)  On this date in 1970, she became the first female jockey to ride in the Kentucky Derby.

4)  This famous figure "retired" on this date in 1975. He is also the only American to have his own zip code.
Answers:

1)  9

2)  skunk

3)  Diane Crump

4)  Smokey the Bear