What is the background of Johann Christopher's creation?Christopher's profile Romain Rolland was born in 1866 and died in 1944, his life passed through the entire historical period of the French Third Republic, although the French economy develo...
What did Edison invent¡øThomas AlvaEdison (1847-1931) Thomas AlvaEdison (Thomas AlvaEdison) is a world-famous American electrician and inventor, in addition to his inventions and contributions in the phonograph, electric light, telephone, telegraph, film,...
What are the youngest presidents in American history1. Theodore RooseveltAfter the assassination of President William McKinley, Theodore Roosevelt became the youngest president of the United States. Roosevelt took office on September 14, 1901, at the age...