On Sunday, June 1, the second-to-last day of the Louisiana legislative session, the House passed the Senate version of HB 431, so the bill moving the presidential primary from mid-March to early-March has passed and been sent to the Governor. Assuming it is passed into law, it will not be the earliest presidential primary in Louisiana history. In 2008 the state voted on February 9. Thanks to FrontloadingHQ for this news.