About 60 senators stabbed Rome's leader 23 times, according to The Telegraph. His death came a month after he was instilled as a dictator. The senate was worried the power would go to his head and that he would claim to be king, and no longer heed the senate.

His death led to civil wars, the end of Rome's time as a republic, and the beginning of its time as an empire. ¹⁾

John Wilkes Booth, a 26-year-old actor, shoot Lincoln while he was on the stage five days before the conclusion of the Civil War, in Washington D.C. Some hailed his death in the South. Andrew Johnson, Lincoln's vice president, replaced him, and after the war worked to reconcile the country. Johnson was generous to the southern states during the reconstruction, resulting in stringent “black codes” that ultimately decimed the liberties of freed slaves. ²⁾

McKinley was shot at a fair in Buffalo, New York, by a 28-year-old anarchist called Leon Czolgosz. Eight days later, he passed away. ³⁾

Gavrilo Princip, 18, a Serbian student, shot the Archduke while driving through Sarajevo in Bosnia. Heir of Austria-Hungary, Ferdinand, was thus not taken lightly by his death. The empire proclaimed Serbian war after his death. Other countries were dragged into the war that led to World War I and more than 37 million troops were killed or wounded. ⁴⁾

In a cellar Bolcheviks, a revolutionary socialist organization, shot dead the tsar, his wife, and their five children who had taken them captive for months. It was harsh and inadequately carried out since the children sewed gems in their garments so that they were kept secret. The jewels were nonetheless prolonged like bullet-proof jackets. ⁵⁾

At the command of the then Mexican President Venustiano Carranza, General Emiliano Zapata was killed during the Mexican Revolution. Throughout his life Zapata had struggled for impoverished farmers. He became an icon of Mexican farmers and the working class after his death. ⁶⁾

The Hindu extremist on the way to the prayer of the evening assassinated Mahatma Ghandi, who successfully contributed to India's political independence from Britain in 1947. He organized several notable nonviolent rallies, including a 241-mile Indian shore march for salt, which resulted to the imprisonment of 60,000 innocent demonstrators. ⁷⁾

Following a military coup that toppled his administration, the police squad, following the orders of the Belgian commander, murdered Lumumba. Seven months after the independence of Congo, the killing of Lumumba occurred. NBC News reports that his assassination leads to a growing gap in ties between the USA and Africa. According to a later investigation, the CIA was involved. ⁸⁾

After the US toppled his regime, Di Adam was murdered together with his brother behind a blinded automobile. The coup was authorized by former President John F. Kennedy, who in the 1950s before had backed his authority. Their death led to the entry into Vietnam of additional US forces. ⁹⁾

Lee Harvey Oswald was shot twice by Kennedy, one of the country's most prominent leaders, during his drive through Dallas, Texas. His successor Lyndon B. Johnson was successfully passed two anti-segregation laws—the Civil Rights Act and the Law on the Voting Rights—with his burning complaint over Kennedy's death. ¹⁰⁾

The members of the Nation of Islam shot Malcolm X, a sometimes contentious leader of the religion and civil rights. Before he split up, his own group, the Organization of African-American Unity, began to name a religious group, the Islam nation. ¹¹⁾

King was shot dead in Memphis by a 40-year-old robber called James Earl Ray. His activism and empowerment of speeches made King renowned. After Rosa Parks was detained because it refused to give up his seat on a bus, he organized several non-violent protests. King continues to be an emblem of hope for racial harmony after his death. ¹²⁾

Sirhan Sirhan, a 24 year old Jordanian immigrant, shot Kennedy in Los Angeles, following a speech at the Ambassador Hotel. Kennedy became a Democratic Party icon after his death. His campaign centered on civil rights. His work was viewed as an eventually uniting factor for the country. The effects of his death are more difficult to measure than other countries in that list, although he recently won the primary California and took on the democratic presidential appointment. ¹³⁾

By placing and remotely detonating a bomb in his fishing boat, the Irish Republican Army murdered Lord Mountbatten, a military strategist and tutor for Prince Carlos. Three others were killed by the blast. The murder was supposed to indicate that even the peak of British society was not safe from IRA, because the army sought to remove Northern Ireland's British control. ¹⁴⁾

His buddy Kim Jae Kyu, the head of the Korean Central Intelligence Agent, shot President Park Chung-hee in the restaurant. After a military coup in 1961, because Park had taken over the country, he ruled with a “iron hand.” Kim told South Korea that the president was killed to bring democracy back. ¹⁵⁾