Move Halloween to Saturday? There’s a Petition for That

I don't know what Abraham Lincoln's appointment calendar looked like on October 3, 1863, but here's betting he took the afternoon off. October 3, 1863 was the day Lincoln signed a proclamation inviting his "fellow citizens in every part of the United States, and also those who are at sea and sojourning in foreign lands to set apart and observe the last Thursday of November next as a day of national Thanksgiving.