What does the author of "Mary Had a Little Lamb" have to do with Thanksgiving? Here's a timeline of how Thanksgiving became a holiday in the US.
원문출처 : https://www.cnn.com/videos/us/2017/11/22/how-thanksgiving-became-a-holiday-orig-trnd-lab.cnn
원문출처 : https://www.cnn.com/videos/us/2017/11/22/how-thanksgiving-became-a-holiday-orig-trnd-lab.cnn