FX on Hulu travels back in time to dramatize the epic battle over the Equal Rights Amendment inMrs.

America, premiering April 15 on the streaming service.

Here’s a primer on the major players from that period and the terrific actresses who portray them.

Mrs. America

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Martin Luther King had only died four years prior.

President how large of a thing is that?"

Rose Byrne as Gloria Steinem

TheBridesmaidsstar was struck by how the cofounder ofMs.

Mrs. America

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“Why can’t she be powerful and also be attractive?

“She was called Battling Bella and was kind of a bully to some people,” explains Martindale.

“That was part of being Betty,” says Ullman, 60.

Mrs. America

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“Nothing was easy.”

Friedan, who died in 2006 at 85, had a brash style that led to clashes with Steinem.

But Schlafly also brought out the worst in Friedan, including an ugly outburst during a famous debate.

Mrs. America

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“Betty ended up telling Phyllis, ‘I’d like to see you burned at the stake.’

Of course, that’s the only thing that gets remembered.”

Mrs. America

Sabrina Lantos/FX; Bettmann/Getty Images

Mrs. America

Sabrina Lantos/FX; Bettmann/Getty Images