Wikenigma - an Encyclopedia of Unknowns
Wikenigma - an Encyclopedia of the Unknown
Wikenigma - an Encyclopaedia of Unknowns
Wikenigma - an Encyclopaedia of the Unknown
The pioneering passenger airship Hindenburg caught fire on May 6, 1937, killing 36 - effectively putting to an end ideas for hydrogen-filled passenger airships. The exact cause of the fire is unknown.