July 6th: How the Burning of Jan Hus Ignited the Bloody Hussite Wars and Prague’s First Defenestration

Every year on July 6th, the Czech Republic marks a deeply significant public holiday. It is a day that commemorates a single spark that set an entire nation ablaze: the execution of Master Jan Hus.
The Martyrdom of Jan Hus: A Spark of Rebellion
Jan Hus was not just a priest; he was a revolutionary thinker. As a prominent Czech philosopher and reformer at Prague’s university, he fiercely preached against the moral decay and immense wealth of the Catholic Church.
The Trap: In 1415, Hus was lured to the Council of Constance under a promise of safe conduct from the Holy Roman Emperor.
The Betrayal: Upon arrival, his safe conduct was ignored. He was arrested, condemned as a heretic, and burned at the stake on July 6, 1415.
The Aftermath: Instead of silencing the reformist movement, his brutal execution outraged the Czech people. He became an instant martyr, uniting the masses against the Pope and the Emperor.
The First Defenestration of Prague: Blood in the Streets
The tension in the capital reached a violent boiling point on July 30, 1419. A radical Hussite priest named Jan Želivský led a fiery procession through the medieval streets. When a stone was thrown at the crowd from the windows of the New Town Hall, all hell broke loose.
The angry mob stormed the building in a blinding rage. In a shocking act of violence, they threw the judge, the burgomaster, and several town councilors out of the high windows onto the waiting spears of the armed crowd below. This brutal event, known as the First Defenestration of Prague, marked the official beginning of the bloody Hussite Wars.

The Hussite Wars: Wagons, Weapons, and Defiance
Following the defenestration, the Kingdom of Bohemia plunged into a massive religious and military conflict that would last for over a decade. The Hussites, featuring legendary commanders like the undefeated, blind general Jan Žižka, successfully defended their beliefs against multiple massive crusades. They pioneered innovative and devastating military tactics, including heavily armored war wagons and the early battlefield use of firearms, making them a terrifying force in 15th-century Europe.
Relive the History at Story of Prague Museum
Reading about the Hussite Wars is one thing, but stepping directly into the 15th century is an unforgettable adventure. At the Story of Prague museum, you do not just observe history; you become a part of it. If you are wondering what to see in Prague, our exhibition offers a stunning immersive experience Prague style.
Through cutting-edge Augmented Reality (AR) technology, our history museum brings the medieval streets, the fierce Hussite warriors, and the intensity of the defenestration right before your eyes. It is widely considered the best interactive museum Prague has to offer for history enthusiasts and tech lovers alike.
Why Visit Us During Your Summer Trip?
Family Adventure: Are you traveling with loved ones and looking for things to do in Prague with kids? Our interactive museum provides highly engaging, gamified content that captivates teenagers and older children without the boredom of traditional textbooks.
Weatherproof Your Plans: Summer in Central Europe can be unpredictable. If you encounter sudden storms and need rainy day Prague alternatives, our fully air-conditioned spaces are among the greatest indoor activities Prague can provide.
Don’t just walk past the stone monuments – uncover the gripping Prague stories that shaped the heart of Europe.