Muhammad Ali, the world heavyweight boxing champion known universally as "The Greatest," died over the weekend at the age of 74.
From his infamous trash talk, to his battle with Parkinson's, to his faith, religion and, in later years, support of conservative Republicans, the man born Cassius Clay was the definition of an American icon.
Here are 13 of The Champ's most memorable moments:
A rose lays next to an image of Muhammad Ali at a makeshift memorial at the Muhammad Ali Center, Sunday, June 5, 2016, in Louisville, Kentucky. (AP Photo/David Goldman)
A photo dated November 5, 1966, shows world heavyweight champion Muhammad Ali (Cassius Clay) hooded and in heavy boots as he overtakes a horse-drawn brake during early morning training in Hyde Park, in preparation for his title defense against Henry Cooper. (Press Association via AP Images)
In this May 25, 1965, file photo, heavyweight champion Muhammad Ali stands over fallen challenger Sonny Liston, shouting and gesturing shortly after dropping Liston with a short hard right to the jaw in the first round of their title fight in Lewiston, Maine. The bout produced one of the strangest finishes in boxing history as well as one of sports’ most iconic moments. (AP Photo/John Rooney)
Former boxers Muhammad Ali (R) and Joe Frazier at the 10th Annual ESPY Sports Awards in Hollywood. (RTNSmith/FF/MediaPunch/IPX/AP images)
In this Dec. 17, 2005, photo, boxing legend Muhammad Ali is watched by his wife, Lonnie, during the award ceremony for the Otto-Hahn-Peace-Medal 2005 of the German Society of the United Nations in Berlin. (AP Photo/Franka Bruns)
President Reagan "punching" Muhammad Ali in the oval office in 1983. (Reagan Library)
Former heavyweight boxing champion Muhammad Ali met with President Jimmy Carter at the White House in Washington on Monday, Jan. 8, 1980, to announce his support for Carter's re-election. Ali said would found and head a group called Athletes for Carter. (AP Photo/Dennis Cook)
President Bush presents the Presidential Medal of Freedom to boxer Muhammad Ali in the East Room of the White House. (AP Photo/Evan Vucci)
Former boxer Muhammad Ali, left, hugs former U.S. President Bill Clinton as he walks onstage at the grand opening gala celebration for the Muhammad Ali Center, Saturday, Nov. 19, 2005, in Louisville, Kentucky. (AP Photo/Ed Reinke)
Muhammad Ali and President Barack Obama. (Sam Upshaw Jr./The Courier-Journalvia Twitter/@EW)
In this March 24, 2007, photo, Donald Trump, left, accepts his Muhammad Ali award from Ali at Muhammad Ali's Celebrity Fight Night XIII in Phoenix, Arizona. Ali criticized the presumptive Republican nominee's proposal to ban Muslims from entering the United States, and calling on Muslims "to stand up to those who use Islam to advance their own personal agenda." (AP Photo/Jeff Chiu, File)
Elvis presents Muhammad Ali, training for his February 14 title defense against Joe Bugner, with a robe emblazoned "The People's Choice" in 1973. (ElvisPresleyMusic.com/alicenter.org)
John Lennon and his wife, Yoko Ono, left, are shown with heavyweight boxer Muhammad Ali, center, at the Kennedy Center for the Performing Arts in Washington, D.C., on Jan. 20, 1977. They are at the gala honoring President-elect Jimmy Carter on the eve of his inauguration. (AP Photo)
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