England was the leading European colonial power and had already established much of its overseas empire by the beginning of the 19th century. France was second, with its holdings in Southeast Asia and in North Africa, both. of these being established during the 19th century.
Thomas Edison married Mary Stilwell on December 25, 1871 (he was 24, she was 16).   She died on August 9, 1884.   He was married a second time, on February 24, 1886, at â¦the age of 39. His second wife's name was Mina Miller.
Edison's greatest contribution was the first practical electric lighting. He not only invented the first successful electric light bulb, but also set up the first electrical power distribution company. Edison invented the phonograph, and made improvements to the telegraph, telephone and motion picture technology.