The Sacred Heart of Jesus fires in Tyrol/Austria are a custom that is still practised today, particularly in the Tannheimer Tal and Kartitsch in East Tyrol. It commemorates Tyrol's resistance against Napoleon's troops in 1796, when the defence of the country against the approaching army was entrusted to the "Sacred Heart of Jesus". As a result of the "Sacred Heart of Jesus Vow", the Tyrolean Landsturm received a large influx of volunteers and was able to surprisingly repel the French superiority. At the same time, the mountain fires also served as communication signals visible from afar to summon the Landsturm. Originally, however, the Sacred Heart of Jesus fires can be traced back to pre-Christian midsummer and St John's fires.