Before revision: United Kingdom While as of yet, the United Kingdom does not officially recognize an Inventor's Day, in 2014 BT did a public appeal to celebrate "the first" National Inventor's Day on 2nd December 2014.
After revision: United Kingdom While as of yet, the United Kingdom does not officially recognize an Inventor's Day, in 2014 BT did a public appeal to celebrate "the first" National Inventor's Day on 2 December 2014.