[Captain Peter Blood]

No Trump did not order that the Postmaster probably did that. The government really does not run the post office anymore, it’s been independent since about 1970.

[zanarchist]

It would take the President of the United States to order the holiday as he is the head of the executive.

[zanarchist]

http://about.usps.com/newsroom/statements/120318-usps-operating-status-national-day-of-mourning.htm