Leader of the American civil-rights movement and its most disciplined voice for nonviolence. Surveilled and harassed for years by his own government under COINTELPRO, he was assassinated on the balcony of the Lorraine Motel in Memphis, Tennessee, where he had come to stand with striking sanitation workers. He was 39.

Saudi journalist and Washington Post columnist who wrote critically of his government from exile. He was killed and dismembered inside the Saudi consulate in Istanbul, where he had gone for the papers he needed to marry. A declassified U.S. intelligence assessment concluded the operation was approved at the highest level of the Saudi state. He was 59.

Russia's most prominent opposition leader and anti-corruption investigator. He survived a 2020 poisoning with the nerve agent Novichok, and knowing what awaited him, returned to Russia anyway. Imprisoned on successive charges, he died in the IK-3 "Polar Wolf" penal colony above the Arctic Circle. He was 47.

Eldest son of Kim Jong-il, living in exile as a critic of his half-brother's rule and of dynastic succession itself. He was attacked at Kuala Lumpur International Airport with the nerve agent VX, in an operation widely attributed to the North Korean state, and died within the hour. He was 45.

Thirty-fifth President of the United States, elected on the promise of a generational turn toward peace. He was assassinated in an open motorcade through Dealey Plaza in Dallas, Texas — a death that remains the deepest public wound in modern American memory, and the origin of its longest-running questions. He was 46.