The last president to skip the event was Ronald Reagan, and that was only because he was recovering from an assassination attempt. President Jimmy Carter did not attend in 1978 and in 1980.
The venue for the signing of the executive order is a shovel factory in Pennsylvania's Cumberland County.
President Trump's rally Saturday night in Harrisburg offered a familiar recapitulation of what he and aides have argued for days are administration successes, including the successful nomination of Neil Gorsuch to the Supreme Court, his Cabinet choices and the approval of construction of the Keystone XL pipeline.
President Trump spent his 100th day in office yesterday in Harrisburg, Pa., speaking to ecstatic crowds elated to see the president they believe has upended the political system in Washington.
About Trump's absence at the WHCD, Minhaj had a fair explanation: "Historically, the president usually performs at the Correspondents' Dinner".
"A large group of Hollywood actors and Washington media are consoling each other in a hotel ballroom in our nation's capital right now", Trump told the crowd. He added that back in D.C. they are "gathered together for the White House correspondents' dinner - without the president".
At the 100-day mark, Trump chose instead to spend the evening with people who helped elect him and, polls show, remain largely in his corner.
In an hour-long speech attacking the media and predecessor Barack Obama, boasting about his support for United States industry and the military, vaunting his foreign policy positions including on confronting North Korea, reading a poem, and repeating his signature "Make America Great Again" motto, Trump earned cheer after cheer from the crowd in Pennsylvania. He called the party "rudderless" with New York Sen. The failure to realize his number one campaign promise during the first 100 days dealt a humiliating blow to Trump and raised questions about his presidential authority.
Trump's 100-day rally was a bit of counterprogramming from the former reality television star.
Before turning his attention to what his administration has done since his inauguration, Trump rendered his verdict media critic in chief.
Trump says being president is "something that I really love, and I think I've done a very good job at it".
But Reagan came back with a vengeance.
"I'll be making a big decision over the Paris Accord over the next two weeks", he promised.
Abroad, the President faces several deepening crises, most immediately the showdown with North Korea over its nuclear and missile programs.
Mr Pence got the crowd riled up by claiming Mr Trump put the fear into Islamic State (IS, also known as ISIS). "Don't even worry about it".
Funding for his promised wall along the U.S. border with Mexico was stripped from a federal funding bill in order to prevent a government shutdown.
HORSLEY: Certainly, the people attending the Trump rally are happy with what they've seen. Democrats are planning their own rally nearby. And he could put the world on notice that the US will insist on serving its own interests in every dispute and conflict, be it economic or military.
"Mainstream (FAKE) media refuses to state our long list of achievements, including 28 legislative signings, strong borders & great optimism!"
Trump also used his annual weekly address to amplify his 100th day message. Though the White House created a website touting its accomplishments of the first 100 days, Trump has tried to downplay the importance of the marker, perhaps out of recognition that many of his campaign promises have gone unfulfilled.
Trump's visit coincided with the president's 100 day in office - which has always been a measurement of how well a new administration has gotten its footing.
The Trump administration's botched travel ban also appeared to take its toll on Trump's polling number, with 46 per cent respondents saying that Trump is making the USA image in the world weaker, compared to 36 per cent of respondents who say the U.S. image in the world has become stronger since Trump took office.