1900-1950 give or take a decade
Pistols were probably first made for hunting purposes or because of war.
Oyster pearl
Around 1857
In Hartford, Connecticut.
No published history
It is elemental. Mercury is made of mercury. Atoms of mercury are made of mercury atoms.
Mercury is made of mercury.
big guns. Plus, pistols (revolvers), semi-automatic pistols (automatics), single shot pistols, derringers, rifles, and shotguns.
Probably never.
FN
Walther is a German company. However, some Walther pistols have been made in France and in US by Smith and Wesson under license.
No. There are derringer pistols that have no safety, and a few revolvers made in 9mm caliber with no safety. There have been several 9mm pistols made with no safety.