4 April

On the 4th of April 1808, a battle broke out between forces of the British and Spanish navies near Cadiz.

http://sailsofglory.org/showthread.p...is-day-4-April


The Continental Navy frigate Columbus captures HM Tender Hawke; this is the first American capture of a British armed vessel.

Sailors and Marines from sailing sloop Plymouth, protect U.S. citizens at Shanghai.

Appointment of the first Civil Engineering Corps officer, Rear Adm. Mordecai Endicott, as chief of Bureau of Yards and Docks.

NATO is established.

http://sailsofglory.org/showthread.php?407-4-April