1893 - Navy General Order 409 of 25 February 1893 establishes the rate of Chief Petty Officer as of this date.
1917 - Boatswain's Mate 1/c John I. Eopolucci, a Naval Armed Guard on board the steamship Aztec, died when the vessel was sunk by a German U-boat. He was the first U.S. Navy sailor killed in action in World War I.
1942 - First Naval Air Transportation Service (NATS) squadron for Pacific operations commissioned.
1945 - Over 1200 Navy ships and Army troops begin invasion of Okinawa.
1966 - The command, US Naval Forces Vietnam established.
1967 - Helicopter squadron HAL 3 activated at Vung Tau.
1781 - Frigate Alliance captures 2 British privateers, Mars and Minerva.
1827 - First Naval Hospital construction begun at Portsmouth, VA.
1898 - Adoption of U.S. Naval Academy coat of arms.
1947 - UN places former Japanese mandated islands under U.S. trusteeship.
1951 - First Navy use of jet aircraft as a bomber, launched from a carrier, USS Princeton.
1960 - USS Glacier begins 12 days of relief operations, providing helicopter and boat transportation and emergency supplies to residents of Paramaribo, Suriname after floods.
1797 - CAPT Thomas Truxtun issued first known American signal book using numerary system.
1942 - ADM Nimitz named Commander-in-Chief, Pacific Ocean Areas, a joint command, and retained his other title, Commander-in-Chief, Pacific Fleet.
1992 - First five coed recruit companies from Orlando, FL Naval Training Center graduate.
1776 - Continental Navy frigate Columbus captures HM Tender Hawke, first American capture of British armed vessel.
1854 - Sailors and Marines from sailing sloop, Plymouth, protect U.S. citizens at Shanghai.
1898 - Appointment of first Civil Engineering Corps officer, Mordecai Endicott, as Chief, Bureau of Yards and Docks.
1949 - Establishment of NATO.
1946 - USS Missouri arrives in Turkey to return the body of Turkish ambassador to the U.S. and to show U.S. support and willingness to defend Turkey.
1776 - Sloop-of-war Ranger, frigate Queen of France and frigate Warren capture British Hibernia and 7 other vessels.
1862 - Naval Gunfire from Tyler and Lexington help save Union Troops at Battle of Shiloh.
1909 - Commander Robert E. Peary reports reaching the North Pole.
1917 - U.S. declares war on Germany.
1945 - First heavy kamikaze attack on ships at Okinawa.
1961 - USS Lake Champlain brings oxygen to aid stricken passenger of British liner Queen of Bermuda.
1968 - USS New Jersey recommissioned for shore bombardment duty in Vietnam.
1989 - President orders DOD to assist in Exxon Valdez oil spill cleanup.
1993 - Branch Navy Hospital Adak responds to crash of civilian Chinese airline providing lifesaving treatment and medical evacuation of 89 injured passengers. Only one passenger out of 265 passengers died.
1776 - Continental brig Lexington captures British Edward.
1917 - Navy takes control of all wireless radio stations in the U.S.
1942 - Navy accepts African Americans for general service.
1945 - First two Navy flight nurses land on an active battlefield (Iwo Jima): ENS Jane Kendeigh, USNR, and LTJG Ann Purvis, USN.
1945 - Carrier aircraft defeat last Japanese Navy sortie (Battle of East China Sea); Yamato, world's largest battleship, and five other ships sunk.
1979 - Launching of first Trident submarine, USS Ohio (SSBN-726) at Groton, CT.
1825 - First planned night landings on a carrier, USS Langley, by VF-1.
1950 - Unarmed Navy patrol aircraft shot down over Baltic Sea by USSR.
1951 - 1st of 4 detonations, Operation Greenhouse nuclear test.
1861 - Second relief convoy for Fort Sumter left New York.
1941 - Commissioning of USS North Carolina, which carried 9 16-inch guns.
1943 - Re-establishment of Commodore rank.
1959 - Selection of first 7 Mercury astronauts, include 4 naval aviators.
1941 - USS Niblack, while rescuing survivors of torpedoed ship, depth charged German submarine; first action of WW II between U.S. and German navies.
1963 - During diving tests, USS Thresher lost with all hands (112 crew and 12 civilians) east of Cape Cod, MA.
1966 - River Patrol Boats of River Patrol Force commenced operations on inland waters of South Vietnam.
1783 - Congress declares end of war with Great Britain.
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 Persian Gulf War.
1861 - Civil War begins when Confederates fire on Fort Sumter, SC.
1911 - LT Theodore Ellyson qualifies as first naval aviator.
1962 - U.S. Navy demonstrates new landing craft with retractable hydrofoils, LCVP (H).
1975 - Operation Eagle Pull evacuation from Cambodia.
1981 - First launching of re-useable Space Shuttle Columbia (STS-1) with all Navy crew. CAPT John W. Young, USN (Ret.) commanded, while LCDR Robert L. Crippen, USN was the pilot. Mission duration was 2 days, 6 hours, and 20 minutes. Sixteen of the shuttle's heat-shielding silicon tiles were lost and 148 damaged during reentry.
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.
1960 - Navy's navigation satellite, Transit, placed into orbit from Cape Canaveral, FL and demonstrates ability to launch another satellite.
2009 - In a daring high-seas rescue, U.S. Navy SEAL snipers killed three Somali pirates and freed the American sea captain who had offered himself as a hostage to save his crew.
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.
1989 - First Navy ship arrives on scene to assist in Exxon Valdez oil spill cleanup.
1885 - Naval forces land at Panama to protect American interests during revolution.
1912 - USS Chester and USS Salem sailed from MA to assist RMS Titanic survivors.
1918 - First Marine Aviation Force formed at Marine Flying Field, Miami, FL.
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.
1863 - Union gunboats pass Confederate batteries at Vicksburg.
1924 - Navy commences relief operations in Mississippi Valley floods, lasting until 16 June.
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.
1848 - U.S. Navy expedition to explore the Dead Sea and the River Jordan, commanded by LT William F. Lynch, reaches the Dead Sea.
1906 - Navy assists in relief operations during San Francisco earthquake and fire.
1942 - USS Hornet launches Doolittle's Army bombers for first attack on Japan.
1988 - Navy destroys 2 Iranian surveillance platforms, sinks one frigate and one patrol ships, and severely damages a second frigate in retaliation for attack on USS Samuel B. Roberts.
1783 - George Washington proclaims end of hostilities.
1861 - President Lincoln orders blockade of Southern ports from SC to Texas.
1955 - USS Albany and USS William Wood begin to provide disaster relief to citizens of Volos, Greece, ending 21 April.
1796 - Congress authorizes completion of 3 frigates
1861 - Norfolk Navy Yard abandoned and burned by Union forces.
1914 - In first call to action of naval aviators, detachment on USS Birmingham sailed to Tampico, Mexico.
1915 - First Navy contract for lighter-than-air craft awarded.
1942 - USS Wasp (CV-7) launches 47 British aircraft to reinforce Malta.
1947 - CAPT L.O. Fox, USN, supported by 80 Marines, accepted the surrender of LT Yamaguchi and 26 Japanese soldiers and sailors, two and one half years after the occupation of Peleliu and nearly 20 months after the surrender of Japan.
1953 - USS New Jersey shells Wonsan, Korea from inside the harbor.
1964 - USS Henry Clay (SSBN-625) launches a Polaris A-2 missile from the surface in first demonstration that Polaris submarines could launch missiles from the surface as well as from beneath the ocean. 30 minutes later the submarine launched another Polaris missile while submerged.
1861 - USS Saratoga captures slaver, Nightingale.
1898 - U.S. at war against Spain.
1906 - Commander Robert Peary discovered supposed Arctic Continent did not exist.
1972 - Moonwalk in the Descartes Highlands by CAPT John W. Young, USN Commander of Apollo 16. He was the ninth man to walk on the moon. LCDR Thomas K. Mattingly II, USN was the Command Module Pilot. During the 11 day, 1 hour and 51 minute mission, 213 lbs. of lunar material was collected. Recovery by HC-1 helicopters from USS Ticonderoga (CVS-14).
1778 - Captain John Paul Jones of Ranger led landing party raid on Whitehaven, England.
1898 - U.S. warships begin blockade of Cuba.
1987 - U.S. Navy ordered to provide assistance to neutral vessels under Iranian attack outside the exclusion zone and that requested help.
1918 - USS Stewart destroys German submarine off France.
1945 - In only U.S. use of guided missiles in WW II, 2 BAT missiles release at Balikiapan, Borneo.
1956 - Project Vanguard, earth satellite launching program, assigned to DCNO (Air).
1778 - Continental Navy sloop Ranger captures HMS Drake.
1862 - Battle of New Orleans; Union Navy under David Farragut runs past forts into Mississippi River.
1884 - USS Thetis, Bear, and Alert sailed from New York to search for Greeley expedition lost in Arctic.
1906 - Ceremonies at Naval Academy commemorate John Paul Jones; President Theodore Roosevelt delivers speech.
1917 - Destroyer squadron departs Boston for European service.
1959 - Organization of American States asks U.S. to establish naval patrols off east coast of Panama to prevent invasion of Cuban forces.
1974 - Naval forces begin minesweeping operations in the Suez Canal Zone.
1981 - RCA delivers to the Navy, NOVA I, the 1st production unit of the improved navigational satellite.
1862 - Union naval forces occupy New Orleans, LA.
1898 - Congress declares war existed with Spain since 21 April.
1914 - First combat observation mission by Navy plane, at Veracruz, Mexico.
1917 - Naval Armed Guard crew on board SS Mongolia engage and damage a German U-boat. This was the first engagement of U.S. naval personnel against the enemy in World War I.
1959 - USS Eversole rescues 14 Chinese Nationalist fishermen from their sinking fishing trawler in the Formosa Strait.
1921 - U.S. Naval Detachment left Yugoslavia after administering area around Spalato for 2 years to guarantee transfer of area from Austria to new country.
1952 - USS Hobson sinks after colliding with USS Wasp; 176 lives lost.
1805 - Naval forces capture Derne, Tripoli; raise U.S. flag over foreign soil.
1813 - U.S. Navy and Army forces capture York (now Toronto), Canada.
1861 - President Lincoln extended blockade of Confederacy to VA and NC ports.
1865 - Body of John Wilkes Booth brought to Washington Navy Yard.
1944 - U.S. LSTs attacked during Operation Tiger.
1962 - Naval forces capture Forts Jackson and St. Philip, LA.
1965 - Dominican Republic intervention began.
1993 - SECDEF memo orders Armed Forces to train and assign women on combat aircraft and most combat ships, but not to ground combat positions.
1814 - USS Peacock captures HMS Epervier.
1898 - U.S. warships engage Spanish gunboats and shore batteries at Cienfuegos, Cuba.
1944 - Fast carrier task force (12 carriers) commence 2 day bombing of Truk.
1975 - Operation Frequent Wind evacuation from Vietnam begins.
1798 - Congress establishes Department of the Navy.
1975 - Saigon falls to North Vietnamese forces.