The incident in Pennsylvania is the most recent in a number of assassination attempts on presidents throughout US history.

Jackson’s first line of defense against the attack was his very ownwalking cane.

In the wake of the presidents death, newspaper headlines read,Ignorance is Bliss.

Donald Trump, surrounded by security, is being helped down stairs

5.President Trump is the second former president to face an assassination attempton the campaign trail.

Roosevelt, however, was not injured.

Ironically,Hooverhad contended with his own thwarted assassination attempt during a visit to Argentina.

Andrew Jackson holding a top hat and a walking cane, standing in front of a large estate and trees with "Jackson's walking cane" highlighted

8.According to theWarren Commissionreport, JFKs assassin was a serial danger to democratic leaders.

And to hospital staff, he joked, just, tell me youre Republicans.

Luckily, the Obamas were out of town, and no one was injured in the attack.

Abraham Lincoln and Mary Todd Lincoln dance in a crowded ballroom filled with people in 19th-century formal attire

Historical drawing titled "Assassination of President Lincoln," featuring the moment of Abraham Lincoln's assassination in a theatre with a crowd reacting in shock

Engraving depicts the assassination of President James Garfield, showing Garfield falling as Charles Guiteau shoots him, with two men reacting nearby

Alexander Graham Bell holding a machine up to President Garfield in a hospital bed

Two men seated outdoors; an arrow points to President William McKinley. Caption reads, "President William McKinley was the third U.S. president to be assassinated in less than four decades."

Drawing depicts President William McKinley in front of a patriotic backdrop being attacked by Leon Czolgosz and James Parker lunging towards the Czolgosz

Roosevelt's torn and blood-stained shirt with a tag attached to the sleeve, lying flat on a table

Guiseppe Zangara with his hands on his hips, wearing a collared shirt and striped pants. The background shows what appears to be a metal door

A historical political gathering features men in suits, including a speaker at a podium, others seated and writing in front and behind the speaker, and an American flag backdrop

John F. Kennedy, Jacqueline Kennedy in pink suit and hat, and Governor John Connally in a car during a motorcade, with officials nearby

Armed Secret Service agents around the injured policeman Thomas K Delahanty and White House Press Secretary James Brady

Ronald Reagan, seated, looks at a "Get Well Soon, Mr. President" banner with a large crowd photo including names Jim, Tim, and Tom. Reagan is wearing a robe

George H.W. Bush sits at a desk in the Oval Office, reading a document

Barack Obama and Michelle Obama walk hand-in-hand down a red-carpeted hallway, Michelle in an elegant knee-length dress, and Barack in a suit and tie