Putting that aside.....what presidents in "This" country are in the habit of celebrating a communist holiday???
It was started by the VFW to COUNTER the Soviet May Day, and here is a list of some of the Presidents who have issued proclamations, I have posted a few:
In 2007 President George W. Bush issued an official proclamation of the May 1, 2007 Loyalty Day
in accordance with the 1958 Congressional declaration,[7] as have many of his predecessors:
Bill Clinton, proclamation 6556 (May 1, 1993) [8]
George H. W. Bush, proclamation 5962 (April 28, 1989) [9]
Ronald Reagan, proclamation 4836 (April 14, 1981) [10]
Jimmy Carter, proclamation 4493 (March 23, 1977) [11]
Gerald Ford, proclamation 4354 (March 4, 1975) [12]
John F. Kennedy, proclamation 3528 (April 18, 1963) [13]