The first taxicabs begin their operation in New York City, imported by Harry N. Allen, a thirty year old businessmen, who, as per this great NY Times article on The Creation of the Taxi Man, became incensed when a hansom cab driver charged him $5 for a three-quarter-mile trip from a Manhattan restaurant to his home.
These vehicles were imported from France as he wanted reliable, improved automobiles that were superior to the American versions derided as “smoke-wagons” using par of the eight million in capital he raised to start the business and the first taxi cab went into operation on August 13, 1907. (Source: 6sqft) Less than two months later, on October 1, 1907, Alan he orchestrated a parade of sixty-five shiny new red gasoline-powered French Darracq cabs, equipped with fare meters, down Fifth Avenue, which could be interpreted as the grand opening of the taxicab revolution in New York and the United States in general.
It was an important milestone in the evolution of supply chain, as it allowed the people who run it to get around quicker and more predictably.