Why are Arsenal called gunners?

Related questions

1. Has Man City been relegated?
2. Why did Man City change their logo?
3. What is Arsenal red membership?
4. Who has won more trophies Arsenal or Chelsea?
5. Why are Arsenal called Arsenal?
6. Was Everton relegated?
7. What is Arsenal's motto?
8. Do you need a membership to buy Arsenal tickets?
9. How many cups has Arsenal won?
10. Which football team has never been relegated from the top flight?

Tags

1. #woolwich
2. #gunners
3. #moved
4. #nickname
5. #workers
6. #highbury
7. #dropped
8. #munitions
9. #formed
10. #square
11. #arsenal
12. #their
13. #factory