I'm like many who don't really take these things too seriously, but besides my language calendars, I've also bought one a few years ago (that I never used!), that covered outdated English words, grammar, etc.
Jeff Kacirk's Forgotten English is a gem to be read & read. Though one of the first words, that could obviously be used today, is the term:
And you'd be right, that it's not about NFL quarterbacks, or the great Reggie Jackson from a long time ago, but concerns none other than Andrew Jackson; and was in as recently as 1940, William Craigie's Dictionary of American English.
Occurring on 8 January and referencing his victory against the British on the very date, that was once known as The Glorious Eighth of January. The definition was:
To defeat or overwhelm in battle; in allusion to Andrew Jackson
For all you Trumpites out there, your man is the first that springs to mind.