Mrs. Aphra Behn was one of the theater's first woman playwrights.
Fact or opinion

Fact

Explanation: Although, Martha Morton was overall the theatre’s first woman playright, Aprha Behn is still one of the first theatre’s woman playwright and the first English female professional playwright.

*Fun Fact: Mrs. Aprha Behn’s other occupations included being an English dramatist, fiction writer, and poet who was the first English woman known to earn her living by writing.

Fact

Explanation:

A "fact" is something that is considered true and is verifiable while an "opinion" is just a belief or a judgment towards something. An opinion doesn't necessarily mean it's true.

Mrs. Aphra Behn is considered to be one of the theater's first woman playwrights. She wrote in order to pay her debts, which she was forced into after her husband died. It is said that she had written around 20 plays. These information are true, thus the statement above is a fact.