The umayyads ruled the first empire after the death of muhammad. they made their capital in the city of and expanded muslim power into spain. in 750, they were replaced by the who ruled this marked the beginning of islam's from

on this day in 1913, henry ford installs the first moving assembly line for the mass production of an entire automobile. his innovation reduced the time it took to build a car from more than 12 hours to two hours and 30 minutes.