Abraham Lincoln ( February 12, 1809 – April 15, 1865 ) was the 16th President of the United States, serving from March 1861 until his assassination in April 1865.

* 1974 – Yuk Young-soo, First Lady of South Korea, is killed during an apparent assassination attempt upon President of South Korea, Park Chung-hee.

As Vice President of the United States in 1865, he succeeded Abraham Lincoln following his assassination.

The President also reassured many by his decisiveness in ordering the establishment of a military commission on May 1, 1865 to try the surviving conspirators involved in Lincoln's assassination.

After John Hinckley's attempted assassination of U. S. President Ronald Reagan, first lady Nancy Reagan commissioned astrologer Joan Quigley to act as the secret White House astrologer.

After the 1963 assassination of President Kennedy, Mrs Kennedy remembered the eternal flame at the Arc de Triomphe and requested that an eternal flame be placed next to her husband's grave at Arlington National Cemetery in Virginia.

Abraham Lincoln assassination | Assassination of President Abraham Lincoln ; 1865 depiction.

President John F. Kennedy | Kennedy minutes before his assassination, November 22, 1963.

In 1986, U. S. President Ronald Reagan ( who survived an assassination attempt himself ) ordered the Operation El Dorado Canyon air raid on Libya in which one of the primary targets was the home residence of Libyan ruler Muammar Gaddafi.

In the Philippines, the assassination of Benigno Aquino, Jr. triggered the eventual downfall of the 20-year autocratic rule of President Ferdinand Marcos.

Belief in conspiracy theories has become a topic of interest for sociologists, psychologists and experts in folklore since at least the 1960s, when the assassination of US President John F. Kennedy eventually provoked an unprecedented public response directed against the official version of the case as expounded in the Report of the Warren Commission.

These novels tell the story of a U. S. President who approves the assassination of the leader of an oil-rich Arab nation who has acquired nuclear arms and intends to pass them onto a terrorist organization.

In 2004, President Chen Shui-bian was re-elected by a narrow margin following a controversial assassination attempt on him and the Vice President Annette Lu only hours before the election.

* 2003 – President of Pakistan Pervez Musharaf narrowly escapes an assassination attempt.

The fourth president was Mohamed Hosni Mubarak, the President of Egypt since October 14, 1981, following the assassination of former President Mohammed Anwar El-Sadat.

Francisco Indalecio Madero González ( 30 October 1873 – 22 February 1913 ) was a Mexican statesman, writer and revolutionary who served as 33rd President of Mexico from 1911 until his assassination in 1913.

* 1999 – In Uzbekistan, a bomb explodes and gunfire is heard at the government headquarters in an apparent assassination attempt against President Islam Karimov.

The 2006 film The Death of a President was filmed in the style of a television documentary, filmed years after the event, to tell the story of the fictional assassination of U. S. President George W. Bush, and the aftermath, to realistic effect.

However, despite these laws, East Timor has many problems with illegally armed militias, including widespread violence in 2006 which resulted in over 100, 000 people being forced from their homes, as well as two separate assassination attempts on the Prime Minister and President in early 2008.

After Sudanese intelligence services were implicated in an assassination attempt on the President of Egypt, UN economic sanctions were imposed on Sudan, a very poor country, and Turabi fell from favor.

After the perpetrator of President Reagan's assassination attempt was found not guilty by reason of insanity, Congress passed the Insanity Defense Reform Act of 1984.

* 1861 – President-elect Abraham Lincoln arrives secretly in Washington, D. C., after the thwarting of an alleged assassination plot in Baltimore, Maryland.

* 1902 – Louis J. Weichmann, American clerk, witness in Abraham Lincoln assassination trial ( b. 1842 )

* 1840 – Michael O ' Laughlen, American conspirator in the assassination of Abraham Lincoln ( d. 1867 )

* 1865 – American Civil War: four conspirators in the assassination of President Abraham Lincoln are hanged.

* 1865 – Mary Surratt, American conspirator in the assassination of Abraham Lincoln ( b. 1823 )

* 1865 – Lewis Payne, American conspirator in the assassination of Abraham Lincoln ( b. 1844 )

* 1865 – David Herold, American conspirator in the assassination of Abraham Lincoln ( b. 1842 )

* 1865 – George Atzerodt, German-American conspirator in the assassination of Abraham Lincoln ( b. 1833 )

McVeigh wore a printed T-shirt with the motto of the Commonwealth of Virginia, Sic semper tyrannis (" Thus always to tyrants ", which was shouted by John Wilkes Booth immediately after the assassination of Abraham Lincoln ) and " The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants " ( from Thomas Jefferson ).

( December 20, 1833 – January 10, 1883 ) was an American physician who was convicted and imprisoned for aiding and conspiring with John Wilkes Booth in the 1865 assassination of U. S. President Abraham Lincoln.

Andrew Johnson, who succeeded to the presidency after the assassination of Abraham Lincoln, was denied the opportunity to appoint a justice by a contraction in the size of the Court.

* July 7 – Following Abraham Lincoln's assassination on April 14, the four conspirators condemned to death during the trial are hanged, including David Herold, George Atzerodt, Lewis Payne and Mary Surratt.

The assassination of Abraham Lincoln.

* February 23 – President-elect Abraham Lincoln arrives secretly in Washington, D. C. after an assassination attempt in Baltimore, Maryland.

The incumbent President, Andrew Johnson, who succeeded to the presidency in 1865 following the assassination of President Abraham Lincoln, was unsuccessful in his attempt to receive his Democratic presidential nomination due to his unpopularity.

Following the outbreak of the Civil War, Pinkerton served as head of the Union Intelligence Service in 1861 – 1862 and foiled an alleged assassination plot in Baltimore, Maryland, while guarding Abraham Lincoln on his way to his inauguration.

Pinkerton's role in foiling the assassination plot against Abraham Lincoln was dramatized in the 2012 film Saving Lincoln, which tells President Lincoln's story through the eyes of Ward Hill Lamon, a former law partner of Lincoln who also served as his primary bodyguard during the Civil War.

The first public memorial to Abraham Lincoln in Washington D. C. was a statue by Lot Flannery erected in front of the District of Columbia City Hall in 1868, three years after Lincoln's assassination.

* Samuel Alexander Mudd ( 1833 – 1883 ), born in Charles County, the doctor implicated and imprisoned for aiding John Wilkes Booth in the assassination of President Abraham Lincoln

After President Abraham Lincoln's assassination at John T. Ford's Theatre, the 54th Congress passed legislation compensating those who were injured in the theater.