Hmmm, 184,000 hits, looks like you got your work cut out for you.
Well, if you can come up with one of the bills that specifically said it was readmitting one of the rebellious states as a state in the Union and not just readmitting their delegation to Congress then you would pretty much prove your point, wouldn't you? Here you go, it's got to be in there somewhere.
If not there, then it'd be in here:
That replaced the Globe in 1873.