As a newsboy on the Grand Trunk Railway in 1862, which future inventor published the first newspaper printed on a train?

As a girl in the 1830s, which future nurse spent about two years caring for her injured brother David? After studying law in St. Petersburg, which impresario turned to the arts and founded the Ballets Russes in 1909? Mount Harvard, one of the Collegiate Peaks and a "fourteener," is in which Rocky Mountain state? As a navigator, which future Pacific explorer helped the British capture Quebec in 1759? As a New York lawyer in the 1780s, Alexander Hamilton lived on which Manhattan street now synonymous with finance? Which nation annexed the Nigerian port of Lagos in 1861 as part of its 19th-century expansion? At the Oscars for 1942 films, which composer opened the envelope and announced himself as the Best Song winner for "Whi… Which Mississippi native served as a White House spokesman under President Reagan in the 1980s?