[e_i_pi_2]

You're in luck, someone recreated the constitution in git with the history of edits

https://github.com/jessekphillips/usa-constitution

Edit: just noticed the dates aren't accurate, but still interesting and the authors are accurate

[judge2020]

Can git do pre-1970 dates?

[progval]

The file/wire format can, but the official implementation doesn't handle it well. There is some work in progress to make it work, for this kind of historical work.