John Delaney 2020 presidential campaign
Harry J. Enten wrote in FiveThirtyEight the day after the campaign's announcement that it was highly unusual for a serious presidential candidate to announce so early. Before Delaney, Pierre S. du Pont IV had held the record of the earliest announcement before the presidential primary season when he announced his campaign for the 1988 election in 1986, 615 days before the start of the Iowa caucuses.