On this day in 1920, two anarchists, Nicola Sacco and Bartolomeo Vanzetti, robbed and killed the paymaster and security guard of a Massachusetts shoe company.

On this day in 2014, 276 schoolgirls were abducted by Boko Haram in Chibok, Nigeria. Six years later, over one hundred girls are still presumed missing.

On this day in 1946, the Phantom Killer committed his second double-murder in Texarkana, Texas.

On this day in 1982, three television engineers were fatally shot as they left their offices at CBS.

On this day in 1955, 28-year-old English nightclub hostess and escort Ruth Ellis was charged with murdering her lover, 25-year-old race car driver, David Blakely.

On this day in 1834, New Orleans firefighters responded to an act of arson. But the fire’s light revealed an even more heinous crime, deep inside the LaLaurie Mansion.

On this day in 1881, legendary outlaw William H. Bonney, aka Billy the Kid, was found guilty of murder and condemned to the gallows.

On this day in 1943, Otto and Elise Hampel were beheaded in Berlin’s Plötzensee Prison for their protests against Hitler’s government.

On this day in 1972, notorious mobster Joseph “Crazy Joe” Gallo was gunned down in front of his family in a clam bar in Little Italy.

On this day in 1978, a team of Oklahoma law enforcement agents arrested 34-year-old Gene Leroy Hart. Hart was the main suspect for the notorious Oklahoma Girl Scout Murders.

On this day in 1991, 11-year-old patient, Timothy Hardwick, was admitted to the hospital after suffering from epileptic seizures. He would die in the care of nurse Beverley Alitt only a few hours later.

On this day in 1966, the Buddhist uprising in South Vietnam reached a crucial turning point when Nguyen Cao Ky sent battalions of South Vietnamese Marines to quash the unrest in Da Nang.

On this day in 1996, the FBI arrested an infamous domestic terrorist at his cabin in the Montana wilderness. It was the culmination of a 17-year manhunt, for a man known as “The Unabomber.”

On this day in 1973, 11-year-old Wanda Walkowicz was sent to fetch groceries for her mother in Rochester, New York. Unfortunately, that afternoon, Wanda was the second victim in the gruesome and haunting, “Alphabet Murders.”

On this day in 1934, outlaws Bonnie Parker, Clyde Barrow, and Henry Methvin shot and killed two Texas highway patrolmen.

On this day in 1922, six people were murdered at a farmstead in southern Germany. It was a horrific event that would become one of the most infamous crimes in German history.

On this day in 1961, Judge Joseph Peel, a corrupt municipal judge in West Palm Beach, Florida, was found guilty for participating as an accessory to murder.

On this day in 2010, two suicide bombers attacked two different metro stations in Moscow, during rush hour, killing forty people.

On this day in 193 CE, Roman Emperor Pertinax was murdered by his treacherous bodyguards.

On this day in 1941, Japanese spy Takeo Yoshikawa arrived in Hawaii. He was a key figure in planning the surprise attack on Pearl Harbor later that year.

On this day in 1993, 16-year-old Rayna Rison disappeared after her shift at the local animal hospital. It would take two decades for her murder to be solved.

On this day in 1933, Erik Jan Hanussen was shot to death in the woods outside Berlin.

On this day in 1873, convicted serial killer Mary Ann Cotton was executed for fatally poisoning her stepson, Charles Edward Cotton.

On this day in 1994, presidential candidate Luis Donaldo Colosio was assassinated in Tijuana, Mexico.

On this day in 1971, the San Francisco Chronicle received a strange postcard. Reporters were quick to connect it to the serial killer who terrorized northern California from the mid-1960s through the early 1970s: The Zodiac Killer.