Oklahoma "Texas? What's A Texas?"

The title says it all: On not one or two, but five different Earths, Texas does not exist because it is part of the ginormous State of Oklahoma. Oddly though, all of these Oklahomans exist in very ordinary worlds. There is some variation of climate and all are at different historical periods, ranging from 1926 to 2103, but other than that there's not much to talk about.

Well, ok, on three of these worlds the Tulsa Cowboys have won 8 Superbowls, but aside from that ...