Humans
William Ashley
The Sumerians have invented the wheel, the sail, writing system, and the pottery wheel.
Chinese
Properly speaking, there is no "English" calendar system. You probably mean the predominant Western Calendar (also called the Christian Calendar). This calendar system is best called the "Gregorian Calendar", after Pope Gregory XIII who introduced the calendar system in 1582.
1935
a man in person had the idea. they thwere thinking he was mad
The National Defense Highway System is usually called the Interstate Highway System or the Eisenhower Highway System.
The Highway Transportation System
a national highway system
Appalachian Development Highway System was created in 1972.
Late 1950s under president Eisenhower. The full name of the system is "The National Defense and Interstate Highway System".
The interstate highway system was designed to be used as military runways.
Increased suburbanization is the development that resulted from the construction of the interstate highway system.
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