On October 29, 1929, investors lost more than $25 billion during the Black Tuesday stock market crash that brought the Roaring Twenties to a screeching halt.

Frederick Fleet quickly raised the alarm after spotting an iceberg on the night of April 14, 1912, but it was too late for the Titanic to avoid a catastrophic collision.

Valentina Vassilyev holds the world record for "Most Prolific Mother" as she allegedly gave birth 27 times to 69 children between 1725 and 1765.

The Jamestown Massacre took place in March 1622 and was led by Powhatan Native Americans who hoped to prevent the English colonists from settling permanently in Virginia.

Iran Air Flight 655 was shot down by the USS Vincennes over the Strait of Hormuz during the Iran-Iraq War, killing all 290 people onboard.

Fred Noonan was flying with Amelia Earhart when they vanished over the Pacific Ocean in 1937 — and some think that their disappearance was his fault.

The first confirmed casualty of the September 11th attacks, Mychal Judge was killed inside the World Trade Center's North Tower due to falling debris from the collapsing South Tower.

The U.S. Army claims that LaVena Johnson died by suicide in July 2005, but her family believes that she was raped and murdered, and that the military concealed the truth.

The Armero tragedy occurred in November 1985, when the Nevado del Ruiz volcano erupted and buried the nearby town of Armero in devastating mudflows.

Two years after Jack the Ripper murdered and mutilated five women in London, Mary Pearcey was found guilty of an eerily similar crime.

It's falsely believed that Jayne Mansfield died when she was beheaded in a fatal June 1967 car accident, but the truth is even grislier — and much sadder.

Founded in Boston in 1765, the Sons of Liberty orchestrated many important moments during the American Revolution, including the Boston Tea Party and Paul Revere's famous ride.