Former religious pilgrimage... Výstaviště, Prague

From the end of the 16th century in Prague 24.2. pilgrimage was held to the church of St. Mattheus. Gradually, only folk festivity remained from it.
The event moved from the church to the "Výstaviště" (Exhibition Grounds). The event stretched for several months. Up to a million people visit it every year.
It is the biggest such event in the Czech Republic.