Congress in Casale, 1899
One of the first anti-hail cannon conferences probably took place during 1899 in Casale, Italy. M. Ottavi, deputy of the Italian Parliament, was the organizer of this investigative congress.
Third International Congress, Lyon 1901
The exhibition of anti-hail cannons at the Third International Congress on Hail Guns was held in Lyon in 1901.
Castle of Banska Stiavnica, Slovakia
The anti-hail cannon of the old castle of Banska Stiavnica in Slovakia. It was probably designed by Julius Sokol.
