It's no secret that President Donald Trump loves Twitter, and he rarely pulls his punches when tweeting. Click through for some of his most notable tweets.
Trump tweeted the day after Roy Moore's historic loss in the Alabama Senate election, saying he was "right" not to back Moore in the primaries and that he knew Moore couldn't win the general election.
Trump has come under criticism for a Dec. 12 tweet regarding Sen. Kirsten Gillibrand: "Lightweight Senator Kirsten Gillibrand, a total flunky for Chuck Schumer and someone who would come to my office "begging" for campaign contributions not so long ago (and would do anything for them), is now in the ring fighting against Trump. Very disloyal to Bill & Crooked-USED!," Trump tweeted.
Trump continued his focus on Michael Flynn and fired FBI Director James Comey. In a pre-dawn tweet, he denied pressing Comey to end the investigation into Flynn. Later, he wrote, 'After years of Comey, with the phony and dishonest Clinton investigation (and more), running the FBI, its reputation is in Tatters - worst in History!'
Dec. 2, 2017: A tweet from President Trump about firing Michael Flynn raised questions about whether Trump knew Flynn had lied to the FBI when the president asked then-FBI Director James Comey to let the investigation into Flynn go. The following day, a Trump attorney, John Dowd, claimed that he actually wrote and sent the tweet.
Nov. 22, 2017: "It wasn't the White House, it wasn't the State Department, it wasn't father LaVar's so-called people on the ground in China that got his son out of a long term prison sentence - IT WAS ME. Too bad! LaVar is just a poor man's version of Don King, but without the hair," Trump tweeted. The president has been beefing with NBA dad LaVar Ball, who has been reluctant to thank Trump for his role in securing the release of his son from China. Trump also called Ball "an ungrateful fool."
Oct. 21, 2017: Trump continued lashing out at Democratic congresswoman Frederica Wilson, who offered a critical account of his conversation with the widow of a fallen U.S. soldier, calling the congresswoman "wacky."
Oct. 21, 2017: Trump said he intends to allow the release of classified government documents about the assassination of President John F. Kennedy ahead of an Oct. 26 deadline.
Oct. 8, 2017: Trump engages in a public feud with Tennessee Sen. Bob Corker, saying that Corker had once asked for his endorsement which he declined to grant.
Sept. 25: Trump continues his criticism of the NFL and kneeling protests during the national anthem.
September 23: Trump responded to comments from members of the Golden State Warriors who said they didn't want to visit the White House to celebrate their NBA championship title.
After NFL Commissioner Roger Goodell called the president's remarks at a rally Friday night 'divisive,' Trump fired back. Several NFL team owners also criticized the president's rhetoric.
August 17: President Trump denounced the removal of monuments to Confederate figures as "sad" and "so foolish," days after white supremacists and neo-Nazis took to Charlottesville, Virginia, to violently protest the planned removal of a statue of the Confederate Gen. Robert E. Lee.
July 29: Trump railed against Senate rules requiring 60 votes to overcome a filibuster in a series of tweets that morning, just a day after the chamber dealt a devastating setback to the GOP effort to repeal and replace Obamacare.
President Donald Trump tweeted on July 26, 2017, that he plans to ban transgender individuals from serving in the U.S. military.
July 25, 2017: Trump criticized his Attorney General Jeff Sessions for the second time in a week, railing against Sessions' "very weak position" on prosecuting Hillary Clinton's "crimes."
On July 23, Trump once again called the investigation into Russian meddling in the 2016 election, and whether his campaign was involved, a 'witch hunt' propagated by Democrats looking for an excuse for their defeat.
July 16: President Donald Trump defended his eldest son, Donald Trump Jr., on Twitter the morning of July 16 amid mounting questions about his son's meeting with a Russian lawyer during the 2016 campaign, implying a media double standard in its treatment of Hillary Clinton.
July 2: The president's personal Twitter account, which has 33 million followers, posted a 28-second video of a WWE broadcast. The video was edited to show Trump beating up a man with a CNN logo on his face. A short time later, the official @POTUS account retweeted Trump's tweet to its 19 million followers. It was another escalation in Trump's ongoing war against the news media -- and against CNN in particular.
June 29: President Trump tweeted comments about MSNBC's "Morning Joe" hosts Joe Scarborough and Mika Brzezinski.
June 10: President Donald Trump claimed "total and complete vindication" the day after former FBI Director James Comey testified on Capitol Hill, tweeting his first response to the bombshell testimony.
May 31: President Trump responded to comedian Kathy Griffin's provocative photos of her holding a severed head that appeared to be that of Trump's. Griffin has since apologized and removed the photos.
A follow-up tweet to his now infamous "covfefe" blunder came at 6:09 a.m. ET., six hours after the original tweet was posted.
May 31: A late-night tweet by Presdient Trump went viral with a fragmented sentence and mystery word, "covfefe." The tweet was deleted nearly six hours later.
May 18: President Donald Trump tweets amid the appointment of Robert Mueller as a special counsel to look into Russia's alleged interference in the 2016 election and any collusion with Trump's campaign. He calls the investigation "the single greatest witch hunt of a politician in American history."
May 12, 2017: President Donald Trump issued a thinly veiled threat to fired FBI Director James Comey, part of an ongoing feud between the President and the agencies investigating alleged ties between his campaign and Russia. "James Comey better hope that there are no 'tapes' of our conversations before he starts leaking to the press," the President tweeted.
In a May 10 tweet defending his firing of FBI Director James Comey the day before, Trump predicted "they will be thanking me" of his Democratic and Republican critics.
Trump was so proud of a tweet he made during former National Intelligence Director James Clapper's testimony before a Senate Judiciary subcommittee on May 8 that he briefly made it part of his Twitter account's header.
On March 4, Trump accused former President Barack Obama of having his "wires tapped" in Trump Tower before the 2016 election.
President Trump tweeted his reaction to the outcome of the DNC vote for a new chairman.
President Trump tweeted his reaction after the court of appeals rejected his request to resume his administration's travel ban.
President Donald Trump on Feb. 9 accused Sen. Richard Blumenthal of misrepresenting federal judge Neil Gorsuch's criticism of Trump. Gorsuch's spokesman later confirmed the criticism.
Trump's travel ban has hit a few roadblocks, and on Feb. 5, he used Twitter to criticize the federal judge who blocked his ban.
Trump stirred the pot with Australia Feb. 2, after he tweeted about a "dumb" deal to take in Australian refugees. He referred to them as "illegal immigrants" in the tweet.
Trump scolded Iran in a Feb. 1 tweet, saying the Middle Eastern country was offiically "put on notice." Iran responded the following day, saying it would "vigorously" continue its testing and not bow to threats from the United States.
On Jan. 17, Trump said Rep. John Lewis is "wrong" to suggest that his inauguration is the first Lewis will boycott, saying the Georgia congressman also protested the first inauguration of George W. Bush.
On Jan. 9, Trump went after Meryl Streep, who used her Golden Globes speech the night before to skewer his campaign rhetoric and criticize him for mocking a disabled reporter. In three tweets over 16 minutes, beginning at 6:27 a.m. ET, Trump called Streep "overrated" and a "Hillary flunky." She joins the cast of "Hamilton" and "Saturday Night Live" on a growing list of critical entertainers to be the target of a Trump Twitter tantrum.
Trump called Senate Minority Leader Chuck Schumer a clown in a series of tweets criticizing Obamacare.
Until recently, Trump denied that Russian hackers played any role in the 2016 election.
Trump sent a sarcastic New Year's greeting to his "many enemies."
Trump sent Boeing stock tumbling when he threatened to cancel a deal with the company.
After a brief honeymoon period, Trump resumed taking shots at President Barack Obama.
After Mike Pence was booed during a performance of "Hamilton," Trump indirectly called the show "overrated" and demanded an apology.