1783 – Congress declares end of the Revolutionary War
1900 – Navy accepted its first submarine, USS Holland
1970 – Launch of Apollo 13, commanded by CAPT James A. Lovell, Jr., USN. Former naval aviator Fred W. Haise, Jr. was the Lunar Module Pilot. While 200,000 miles from Earth there was an explosion on board which forced Apollo 13 to circle the moon without landing. Mission duration was 5 days, 22 hours, and 54 minutes. Recovery was by HS-4 helicopters from USS Iwo Jima (LPH-2)
1991 – U.N. ceasefire ends Gulf War I
1861 - Civil War begins when Confederates fire on Fort Sumter, SC
1911 – LT Theodore Ellyson qualifies as first naval aviator
1993 – Aircraft from USS Theodore Roosevelt and NATO forces begin enforcing the no-fly zone over the Bosnia in Operation Deny Flight
1847 – Naval Forces begin 5 day battle to capture several towns in Mexico
1861 – Fort Sumter surrenders to Confederate forces
1898 – Commissioning of first Post Civil War hospital ship, USS Solace
1969 – North Korean aircraft shoots down Navy EC-121 reconnaissance aircraft from VQ-1 over the Sea of Japan
1988 – USS Samuel B. Roberts struck Iranian mine off Qatar
1961 – Launching of first nuclear-powered frigate, USS Bainbridge, at Quincy, MA
1962 – USS Princeton brought first Marine helicopters to Vietnam. This was first Marine advisory unit to arrive in South Vietnam.
1986 – Operation Eldorado Canyon, Navy aircraft from USS America (CV-66) and USS Coral Sea (CV-43) attack Libya in conjunction with USAF aircraft after Libya linked to terrorist bombing of West Berlin discotheque which killed 1 American and injured 78 people.
1947 – Act of Congress gives Navy Nurse Corps members commissioned rank
1959 – Helicopters from USS Edisto begin rescue operations in Montevideo, Uruguay. By 26 April they had carried 277 flood victims to safety.
1778 – Sloop-in-war Ranger captures British brig
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