Here's what happened when Senate Republicans refused to vote on Merrick Garland's Supreme Court nomination

The death of Supreme Court Justice Ruth Bader Ginsburg less than two months from the presidential election has forced a reexamination of Republicans' 11-month blockade of Merrick Garland in 2016.

source https://www.cnn.com/2020/09/18/politics/merrick-garland-senate-republicans-timeline/index.html