Conversation so far:
What was it like in the early days?
In 1925, the Masquers Club was formed by actors discontent with the grueling work hours at the Hollywood.
Were the actors in favor of this?
This was one of the major concerns which led to the creation of the Screen Actors Guild in 1933.

Question: When was the union started?
Self-contained rewrite: When was the Screen Actors Guild started?