Misc: In what year did Charles Goodyear invent the vulcanization process of rubber?

Questions

In 1790 U.S. ---------- system established?

In 1864 Austrian Archduke ---------- became emperor of Mexico.?

In 1866 American Society for the Prevention of ---------- to Animals organized.?

In 1912 RMS ---------- sets sail for its first and last voyage.?

In 1915 Harry ---------- (in Detroit, MI), actor (Dragnet, M-a-s-h), born.?