To protest U.S. involvement in the Vietnam War, 31-year-old pacifist Norman Morrison drove to the Pentagon in Washington D.C. with his one-year-old daughter Emily and set himself on fire.

In Greece, two people died and a third was severely injured after an attacker shot at an office for Golden Dawn, a far-right political party.

Freelance photographer Teresa Halbach was sent by AutoTrader to take photos of a minivan at Avery's Auto Salvage. She headed there around midday but was never seen again.

Euthanasia activist Nichold Reed was jailed for aiding and abetting suicides. Reed believed that patients living with terminal illness had a right to die in the time and manner of their choosing.

Jane Toppan was arrested for the murder of four members of the Davis family. The nurse claimed to have killed 31 people, including her own foster sister, and some say there could be as many as 100 victims.

23-year-old Stacy Peterson vanished without a trace. Her husband Drew Peterson, thought to be responsible for her disappearance, is currently in jail for the murder of a previous wife.

A man stormed into the Tree of Life synagogue in Pittsburgh, Pennsylvania and carried out what is considered to be the largest antisemitic massacre on U.S. soil.

Believing he was acting in the nation's best interest, Kim Jae Kyu, the head of the Korean Central Intelligence Agency, shot and killed South Korean President Park Chung Hee.

The first of unfortunately several "Craigslist Killers," 19-year-old Michael John Anderson lured Katherine Olson to his house for a babysitting job.

Nezar Hindawi was sentenced to 45 years in prison for attempting to blow up an Israeli passenger jet.

Aniah Blanchard was at a gas station when she texted her roommate that she’d be home in ten minutes. But the 19-year-old woman never made it home.

Charlie Harris drove his pick-up truck through the gates of the Augusta National Golf Club and took several people hostage as he demanded to speak with President Ronald Reagan.

In what was called one of the most sophisticated and coordinated digital incursions of all time, hackers employed a mass Denial of Service attack on 13 DNS root servers.

Newlyweds Glen and Bessie Hyde mysteriously disappeared after they embarked on a river run through the Grand Canyon.

In the case of Buck v. Bell, the U.S. Supreme Court ruled that compulsory sterilization didn’t violate the 14th amendment to the Constitution. Mental hospitals across the country used the decision to forcibly sterilize patients.

Over 100 people were killed and hundreds more were injured when a suicide bomber tried to assassinate former Pakistani Prime Minister Benazir Bhutto.

Kenneth Bianchi and Angelo Buono earned their nickname because they dumped their victims' bodies on the barren hills outside Los Angeles. It was on this day that the "Hillside Stranglers" claimed their first victim, Yolanda Washington.

One of the most infamous serial killers in the USSR murdered and brutalized at least 52 young people. Andrei Chikatilo was born on this day in 1936.

In Toledo, Ohio, tensions between neo-Nazis who had planned a march and counter-protestors built for hours before sparking riots.

After an evening out with a co-worker at a mall in Atlanta, Georgia, 25-year-old Mary Shotwell Little disappeared.

King Philip IV had more than 600 members of the Knights Templar, including Grand Master of the Knights Templar,

During a live televised debate, Japanese Socialist leader Inejiro Asanuma was assassinated by 17-year-old Otoya Yamaguchi.

After a lifetime of crimes, including the murder of a childhood friend, thousands gathered to watch the execution of one of the most notorious murderers in American history.

One of the greatest warriors in the Roman Empire, Germanicus died of a mysterious illness. On his deathbed, he blamed Syria’s governor, Piso, and Piso’s wife Plancina for poisoning him.

While visiting Prime Minister Louis Barthou of France in Marseilles, King Alexander I of Yugoslavia was assassinated. In the ensuing crowd panic and reaction from police, more shots were fired. Innocent victims would also die, as well as Barthou and the assassin.