The wright brothers- 1903
Thomas edison-1879
the act that was passed in the 1800's to exclude an entire group is
C. Chinese Exclusion Act
This presidential order required all the federal agencies to change their units of measurement to the metric system. The order declared that the metric system is the preferred system of measurement for the trade and commerce of the United States.The September 30, 1992 was the deadline to accomplish this.
The Aryans influenced Hinduism by their worship of many deities/gods (also called polytheism), and their belief in reincarnation.