Why is the rainbow the LGBT symbol?

Related questions

1. What causes a rainbow?
2. Is there a pansexual flag?
3. What does Lbgtq mean?
4. What does the rainbow symbolize?
5. Why rainbow is the color of LGBT?
6. Why is the LGBT symbol rainbow?
7. Who was the first LGBT person?
8. Can you see a rainbow from space?
9. What does the rainbow represent in the Bible?
10. What does LGBT Q stand for?

Tags

1. #originated
2. #community
3. #reflect
4. #rainbow
5. #marches
6. #during
7. #symbol
8. #francisco
9. #colors
10. #california
11. #rights
12. #worldwide
13. #pride
14. #northern
15. #often
16. #diversity
17. #while