Many lives were lost when a London brewery tank burst, unleashing a tidal wave of beer into the streets, but what triggered this bizarre disaster?

Fearing war, the fate of the Pacific Northwest hangs in the balance as a single bullet sparks a heated territorial dispute between the US and Britain.

Just when you thought it was just a simple bucket, a centuries-old conflict unfolded, but what sparked this senseless war and what were the consequences?

Spreading rapidly through a school, a mysterious laughter epidemic affected nearly 1,000 people, but what triggered this bizarre event?

China's Great Sparrow Campaign, a seemingly innocuous initiative, sparked an ecological disaster that would claim millions of lives, but what really went wrong?

Holding their husbands' lives in their hands, the women of Weinsberg Castle hatched a daring escape plan that would defy the odds of medieval warfare.

Navigating the treacherous waters of 17th-century Netherlands, Tulip Mania reaches unprecedented heights before a devastating crash – but what triggered this economic catastrophe?

Yielding to the pressures of poverty and hunger, the people of Nottingham respond with fury as the price of cheese becomes a catalyst for chaos.

In 897 AD, a deceased pope was exhumed and put on trial in one of history's most shocking events, but what led to this unprecedented act?

Beneath the radar of modern society lies a catastrophic threat from space, one that has happened before and will undoubtedly strike again.