In 1896, Thomas Sperry and Shelley Hutchinson started the first independent company to provide what to retailers?

In 1865, which New York Tribune editor, who left school in his teens, urged young people to head to the frontier? In 1869, which Austrian monk published a paper on hawkweed, whose experiments didn't work as well as his ones with peas? In 1872, which composer conducted his opera "Aida" at La Scala in Milan? In 1885, which Sioux leader was allowed to leave the reservation to tour with Buffalo Bill's Wild West show? In 1903, future president Franklin Roosevelt was elected to head which Harvard student newspaper? In 1909, Roald Amundsen hoped to be the first to reach which place, only to hear that Robert Peary claimed to have beat… By 1912, after the "scramble" for which continent, Britain and France controlled most of it? In 1912, which Native American athlete won both the Olympic decathlon and pentathlon?