Misc: In 1914 Archduke Ferdinand & wife ---------- of Austria assassinated (starts WW I).?

Questions

This F.B.I agent headed the investigation of Al Capone?

This Nazi leader had his six children poisoned prior to his own death?

This Roman killed himself after his defeat at Actium?

This Spaniard conquered Mexico?

This U.S. Secretary of State won the Nobel Peace Prize in 1973?