The potential merger between UIC and The John Marshall Law School wouldn’t be the first time a Chicago law program merged with a bigger institution. Using information compiled by timelines hosted on local law school websites, here’s a look back.•1873 — Chicago University agrees to operate its law school, founded in 1859 as the first in the city, in a joint arrangement with Northwestern University as the Union College of Law.•1891 — After Chicago University folds, Union College formally …