Question

Which of the following sentences is correctly punctuated? On March 21 1985, our community held its bicentennial. On March 21, 1985, our community held its bicentennial. On March 21, 1985 our community held its bicentennial. On March 21, 1985 our community, held its bicentennial.

Answer 1

The correct answer is Option 2.

The standard form of representing the date features a separator after the month and date before the year. Also, there should be a pause after the date before the rest of the sentence for easy readability. Thus, the correct answer is.

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

Answer 2

The correct option is the 2nd one..
On March 21, 1985, our community held its bicentennial.
Because we always use commas after date and year if written in such a way.