"The practice of wife beating was legally acceptable throughout most of history. In fact, it was not made illegal in every state until 1920." https://www.thefreelibrary.com/No-drop%20prosecution%20of%20...

"It is an open question whether adultery continues to be viable as criminal law even though it remains on the books in 24 states and territories." https://web.archive.org/web/20170503222839/http://www.nytime...

If you'd like to know more, Wikipedia has many cites for you: https://en.wikipedia.org/wiki/Adultery_laws https://en.wikipedia.org/wiki/Domestic_violence#History

1920 -- your definition of " not long ago" is very different from mine.

And about equating "remain on the books" to actually enforced law that is relevant in real life: sure, but I'm not going to waste my time convincing you otherwise.