Misc: The first reference to a term "heavy metal" is found in a song by this band?

Questions

Civil War Battle of Chickamauga, near Chattanooga, Tenn, ended.?

Ferdinand "Jelly Roll" Morton, jazz pianist, composer, singer?

Sophia Loren (in Rome, Italy), actor (Desire Under the Elms, Black Orchid)?

German rocket engineers begin work in U.S.?

First North Pole jet crossing?