Two Republican senators from Tennessee, Marsha Blackburn and Bill Hagerty, voted in favor of a bill that led to the federal government shutdown. Democrats Steve Cohen and David Kustoff opposed it. The vote was part of a larger debate over two key bills that affected the start of the shutdown.
Source: https://dailymemphian.com/article/55671/tennessee-us-senators-marsha-blackburn-bill-hagerty-steve-cohen-memphis-david-kustoff