Question

1. On March 21 1985, our community held its bicentennial.

2. On March 21, 1985, our community held its bicentennial.
3. On March 21, 1985 our community held its bicentennial.
4. On March 21, 1985 our community, held its bicentennial.​

Answer 1

It’s 2 since there is a comma after 21 and 1985.