Yes, in the 1960s. Universities were expanding rapidly to respond to the influx of baby boomers, and humanities majors were much more popular, so it was relatively easy to get hired.[0]

It's pretty much been varying degrees of bad since then, but as the first chart in [1] shows, it got a lot worse after 2008.

[0]: https://www.historians.org/publications-and-directories/pers...

[1]: https://www.historians.org/publications-and-directories/pers...