Benjamin Franklin used the first lightning rods, 1752.
Glass windows (colored) were used in the 8th century.
Authentic history of China commenced 3,000 years B.C.
Introduction of homœpathy into the United States, 1825.
Spectacles were invented by an Italian in the 13th century.
Medicine was introduced into Rome from Greece, 200 B.C.
First electric telegraph, Paddington to Brayton, Eng., 1835.
The Chaldeans were the first people who worked in metals.
First life insurance, in London, 1772; in America, Philadelphia, 1812.
Egyptian pottery is the oldest known; dates from 2,000 B.C.