Gun laws in the Czech Republic in their war for religious freedom against professional well armed and trained Catholic Crusader invaders. The word used for one type of hand held firearm used by the Hussites, , later found its way through German and French into English as the term pistol. Name of a cannon used by the Hussites, the , gave rise to the English term, "howitzer". Under common law tradition, civilians could possess firearms except artillery and insidious weapons (e.g. firearms that had appearance of other objects, etc.). First gun control laws were enacted during the early 18th century and dealt with illegal use of
Gun-type fission weapon an artillery gun), one hung under a balloon in the open air, and one in an underground tunnel. Later versions were based on the implosion design. Bombs Artillery Other Gun-type fission weapon Gun-type fission weapons are fission-based nuclear weapons whose design assembles their fissile material into a supercritical mass by the use of the "gun" method: shooting one piece of sub-critical material into another. Although this is sometimes pictured as two sub-critical hemispheres driven together to make a supercritical sphere, typically a hollow projectile is shot onto a spike which fills the hole in its center. Its name is a