They gathered at 8th and Boulder, signs in hand, ready to march.
"It's a real issue in our society today, the lack of respect we have for life has contributed to so many problems," said State Representative David Brumbaugh, one of scores on hand to make their voices heard and to hear the voice of guest speaker Claire Culwell.
"When people meet me and when they hear my story, it's really great because it gives a face to abortion," she said.
And she means that literally. When her mother went to have an abortion, neither she nor her doctors realized she was pregnant with more than one fetus.
"She had been pregnant with twins and one had successfully been aborted and one had survived," she said.
Meanwhile , 10 blocks away, also on Boulder.
"Planned Parenthood, as do a majority of Americans, believe in safe, legalized access to reproductive health care, and that includes abortion," said Kate Neary-Pounds of Planned Parenthood of the Heartland.
A gathering to mark Roe v Wade as an achievement of rights, with a guest speaker of their own.
"I helped set up an underground railroad to get women to safe abortions," said Dr. Barbara Santee. She helped establish Oklahoma's first pro-choice group three years before abortion became legal.
"We were vulnerable because we could get two to five years in prison just telling her where to go and to get help," she said.
Forty-one years ago the news was delivered in black and white.
"The supreme court today ruled that abortion is a completely private matter," said the broadcaster.
And forty-one years, later both sides still see it as black or white.
"I just don't think there is a compromise," said Brumbaugh.
"I think it is a battle with no ending," said Santee.