evidence: President Donald Trump continues to maintain his campaign promise to donate his $400,000 annual White House salary with U.S. government agencies. [...] "I donate 100% of my President's salary, $400,000, back to our Country, and feel very good about it!" Trump tweeted Aug. 16. [...] Trump has donated his quarterly salary to various federal departments and projects including to the National Parks Service to restore battlefields, the Department of Education for children's camps and the Department of Health and Human Services for a public awareness campaign about the dangers of opioid addiction and the Department of Transportation for infrastructure projects.