USA: January 20 Is Officially “National Day of Patriotic Devotion”
washingtonpost.com
washingtonpost.com
From the wikipedia entry: "The holiday was first observed in 1921, during the First Red Scare. It was originally called "Americanization Day," and it was intended to replace the May 1 ("May Day") celebration of the International Workers' Day,..."
"Loyalty Day" is a lot like "Freedom Fries" - just another attempt to co-opt some word deemed good, instead of some word deemed bad at the moment. The US Feds are totally weird.