The "Maschinengewehr" 30 is most notable as the design pattern that led to what is generally considered the world's first what?
MG 30: The "Maschinengewehr" 30, or MG 30 was a German-designed machine gun that saw some service with various armed forces in the 1930s. MG 30:  It is most notable as the design pattern that led to the MG 34 and MG 42, and thus is one of the major ancestors of many of the weapons in service which would later find widespread use into the 21st century. MG 34:  It accepts the 7.92×57mm Mauser cartridge, and is generally considered the world's first general-purpose machine gun.
i don't know