1855:	USS Plymouth crew skirmish with Chinese troops
1875:	CDR Edward Lull begins expedition to locate best ship canal route across Panama. Route followed 30 years later.
1943:	USS Helena (CL-50) fired first proximity fused projectile in combat and shot down Japanese divebomber in southwest Pacific
1968:	First Male Nurse Corps officer in Regular Navy, LT Clarence W. Cote