Funny, Abraham Lincoln's Thanksgiving Proclamation talks a lot about the war and not a word about pilgrims

https://www.battlefields.org/learn/primary-sources/abraham-lincolns-proclamation-thanksgiving

Abraham Lincoln's Proclamation of Thanksgiving

On October 3, 1863, President Lincoln issued a proclamation designating “the last Thursday of November next, as a day of Thanksgiving.” Lincoln’s...

American Battlefield Trust