Several nations observe or have observed a Navy Day to recognize their

navy A navy, naval force, or maritime force is the branch of a nation's armed forces principally designated for naval warfare, naval and amphibious warfare; namely, lake-borne, riverine, littoral zone, littoral, or ocean-borne combat operations and ...

By country

Argentina

The

Argentine Navy The Argentine Navy (ARA; es, Armada de la República Argentina). This forms the basis for the navy's ship prefix "ARA". is the navy of Argentina. It is one of the three branches of the Armed Forces of the Argentine Republic, together with the ...

day is celebrated on May 17, anniversary of the victory achieved in 1814 in the Battle of Montevideo.

Bahrain

The

Royal Bahrain Naval Force The Royal Bahrain Naval Force (RBNF) (previously known as Bahrain Defense Force, Naval Branch) is the maritime branch of the Bahrain Defence Force. The current Commander of the Royal Bahrain Naval Force is Rear Admiral Mohammed Yousif al-Asam. ...

Day is celebrated on February 18.

Bangladesh

The

Bangladesh Navy The Bangladesh Navy ( bn, বাংলাদেশ নৌবাহিনী, Bangladesh Nou Bahini) is the naval warfare branch of the Bangladesh Armed Forces, responsible for Bangladesh's of maritime territorial area, and the defence of imp ...

Day is celebrated on March 26, in anniversary the

Independence Day An independence day is an annual event commemorating the anniversary of a nation's independence or statehood, usually after ceasing to be a group or part of another nation or state, or more rarely after the end of a military occupation. Man ...

of Bangladesh, the day in which

first came into existence.

Bulgaria

Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedon ...

's Navy Day is celebrated on the second Sunday in August.

Chile

The ''Día de las Glorias Navales'' is a public holiday in

Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...

on May 21. It commemorates the

Battle of Iquique The Battle of Iquique was a naval engagement that occurred between a Chilean corvette under the command of Arturo Prat Chacón and a Peruvian ironclad under Miguel Grau Seminario on 21 May 1879, during the naval stage of the War of the Pacifi ...

on May 21, 1879, in the

War of the Pacific The War of the Pacific ( es, link=no, Guerra del Pacífico), also known as the Saltpeter War ( es, link=no, Guerra del salitre) and by multiple other names, was a war between Chile and a Bolivian–Peruvian alliance from 1879 to 1884. Fought ...

. Until 2015 and since 2018, the day also marked the opening of the ordinary Parliamentary season (through September 18,

) and is the traditional day for the

President President most commonly refers to: *President (corporate title) *President (education), a leader of a college or university *President (government title) President may also refer to: Automobiles * Nissan President, a 1966–2010 Japanese ful ...

's State of the Nation address. Principal civic acts are performed in Santiago de Chile,

Iquique Iquique () is a port city and commune in northern Chile, capital of both the Iquique Province and Tarapacá Region. It lies on the Pacific coast, west of the Pampa del Tamarugal, which is part of the Atacama Desert. It has a population of 191,468 ...

and

Valparaíso Valparaíso (; ) is a major city, seaport, naval base, and educational centre in the commune of Valparaíso, Chile. "Greater Valparaíso" is the second largest metropolitan area in the country. Valparaíso is located about northwest of Santiago ...

, where the Chilean Navy Headquarters are located, as well as in

Punta Arenas Punta Arenas (; historically Sandy Point in English) is the capital city of Chile's southernmost region, Magallanes and Antarctica Chilena. The city was officially renamed as Magallanes in 1927, but in 1938 it was changed back to "Punta Aren ...

Puerto Montt Puerto Montt (Mapuche: Meli Pulli) is a port city and commune in southern Chile, located at the northern end of the Reloncaví Sound in the Llanquihue Province, Los Lagos Region, 1,055 km to the south of the capital, Santiago. The commune spa ...

Arica Arica ( ; ) is a Communes of Chile, commune and a port city with a population of 222,619 in the Arica Province of northern Chile's Arica y Parinacota Region. It is Chile's northernmost city, being located only south of the border with Peru. The ...

and

Talcahuano Talcahuano () (From Mapudungun ''Tralkawenu'', "Thundering Sky") is a port city and commune in the Biobío Region of Chile. It is part of the Greater Concepción conurbation. Talcahuano is located in the south of the Central Zone of Chile. Geo ...

China

The

People's Liberation Army The People's Liberation Army (PLA) is the principal military force of the People's Republic of China and the armed wing of the Chinese Communist Party (CCP). The PLA consists of five service branches: the Ground Force, Navy, Air Force, ...

of China celebrates the founding of its naval arm on "Navy Day", 23 April.

Croatia

The ''Day of the Croatian Navy'' is celebrated on September 18.

Ecuador

Navy Day (''Día de la Armada Nacional'') is celebrated on July 25, in commemoration of the Battle of Jambelí (July 25, 1941), part of the

Ecuadorian–Peruvian War The Ecuadorian–Peruvian War, known locally as the War of '41 ( es, link=no, Guerra del 41), was a South American border war fought between 5–31 July 1941. It was the first of three military conflicts between Ecuador and Peru during the 20th ...

India

Navy day in India is celebrated on 4 December every year to celebrate the achievements and role of its naval force. It commemorates the day when Indian Naval Ships set Karachi ablaze and gave a successful completion of Operation Trident.

Iran

November 28 is a Navy Day in

Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...

. It commemorates

Operation Morvarid Operation Morvarid ( fa, عملیات , lit=Pearl) was an operation launched by the Iranian Navy and Air Force against the Iraqi Air Defence sites on 28 November 1980 in response to Iraq positioning radar and monitoring equipment on the Mina A ...

of 1980, a major

Iranian Navy , ''Daryādelān''"Seahearts" , patron = , motto = fa, راه ما، راه حسین است, ''Rāh-e ma, rāh-e hoseyn ast''"''Our Path, Is Hussain's Path''" , colors = , ...

victory during the

Iran–Iraq War The Iran–Iraq War was an armed conflict between Iran and Iraq that lasted from September 1980 to August 1988. It began with the Iraqi invasion of Iran and lasted for almost eight years, until the acceptance of United Nations Security Council ...

Israel

In Israel, Navy Day (יום חיל הים) is celebrated on June 30. At this time in 1948 the Port of

Haifa Haifa ( he, חֵיפָה ' ; ar, حَيْفَا ') is the third-largest city in Israel—after Jerusalem and Tel Aviv—with a population of in . The city of Haifa forms part of the Haifa metropolitan area, the third-most populous metropol ...

was captured by Israel during the

1948 Arab-Israeli War Events January * January 1 ** The General Agreement on Tariffs and Trade (GATT) is inaugurated. ** The Constitution of New Jersey (later subject to amendment) goes into effect. ** The railways of Britain are nationalized, to form British ...

. Traditionally, Navy Day is preceded by Memorial Evening. In 1993 Admiral

Ami Ayalon Ami Ayalon ( he, עמיחי "עמי" איילון, born 27 June 1945) is an Israeli politician and a former member of the Knesset for the Labor Party. He was previously head of the Shin Bet, Israel's secret service, and commander-in-chief of the ...

decided to hold the

Israel Navy The Israeli Navy ( he, חיל הים הישראלי, ''Ḥeil HaYam HaYisraeli'' (English: The Israeli Sea Corps); ar, البحرية الإسرائيلية) is the naval warfare service arm of the Israel Defense Forces, operating primarily in ...

day in the last week of October, commemorating victories in several wars: * The sinking of the Egyptian Navy flagship El Amir Farouq on 22 October 1948. * Capture of the Egyptian frigate

Ibrahim el Awal HMS ''Mendip'' (L60) was a destroyer of the Royal Navy. She was a member of the first subgroup of the class. The ship is notable for seeing service in the navies of three other nations after her use by the Royal Navy. She saw service in the W ...

on 31 October 1956. * The overwhelming successful actions of the

Yom Kippur War The Yom Kippur War, also known as the Ramadan War, the October War, the 1973 Arab–Israeli War, or the Fourth Arab–Israeli War, was an armed conflict fought from October 6 to 25, 1973 between Israel and a coalition of Arab states led by Egy ...

, 6–24 October 1973. Memorial Evening was rescheduled as well, marking the loss of destroyer

INS Eilat INS ''Eilat'' may refer to: * , a cruising class gunboat, built in 1927, commissioned into the Israel Navy in 1948 as INS ''Eilat'', renamed ''Matzpen'' in 1955, and scrapped in 1962 * , a Z-class destroyer, built in 1944, commissioned into the Is ...

on 21/10/1967. As of 2009 the celebrations have been elongated for a week, which for practical reasons, are held each year in August. Another significance of June 30 Navy Day is a legacy of the

Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national ...

that introduced this holiday in June 1939; the date was chosen because of a connection with the day the

Battle of Gangut The Battle of Gangut (russian: Гангутское сражение, fi, Riilahden taistelu, Finland Swedish: ''Slaget vid Rilax'', sv, Sjöslaget vid Hangöudd) took place on 27 July Jul./ 7 August 1714 Greg. during the Great Northern War ( ...

took place. This date is celebrated by a number of Soviet Jews who immigrated to Israel in 1990s.

Italy

In Italy, Navy Day is June 10 and it is not a national holiday. It commemorates the sinking of the

Austro-Hungarian Austria-Hungary, often referred to as the Austro-Hungarian Empire,, the Dual Monarchy, or Austria, was a constitutional monarchy and great power in Central Europe between 1867 and 1918. It was formed with the Austro-Hungarian Compromise of ...

dreadnought

SMS Szent István SMS ''Szent István'' (His Majesty's Ship ''Saint Stephen'') was the last of four dreadnought battleships built for the Austro-Hungarian Navy. ''Szent István'' was the only ship of her class to be built within the Hungarian part of the Austr ...

by the Italian

torpedo boat A torpedo boat is a relatively small and fast naval ship designed to carry torpedoes into battle. The first designs were steam-powered craft dedicated to ramming enemy ships with explosive spar torpedoes. Later evolutions launched variants of se ...

MAS-15 on June 10, 1918.

Japan

In the

Empire of Japan The also known as the Japanese Empire or Imperial Japan, was a historical nation-state and great power that existed from the Meiji Restoration in 1868 until the enactment of the post-World War II 1947 constitution and subsequent fo ...

, Navy Anniversary Day (海軍記念日, Kaigun Kinen'bi) was May 27 from 1906 until 1945. It was in commemoration of the

Battle of Tsushima The Battle of Tsushima (Japanese:対馬沖海戦, Tsushimaoki''-Kaisen'', russian: Цусимское сражение, ''Tsusimskoye srazheniye''), also known as the Battle of Tsushima Strait and the Naval Battle of Sea of Japan (Japanese: 日 ...

Mexico

In Mexico, the

Mexican Navy The Mexican Navy is one of the two independent armed forces of Mexico. The actual naval forces are called the ''Armada de México''. The ''Secretaría de Marina'' (''SEMAR'') (English: Naval Secretariat) includes both the ''Armada'' itself and ...

celebrates Navy Day on November 23, in honor of the 1825 Spanish surrender to naval ships stationed at

San Juan de Ulúa San Juan de Ulúa, also known as Castle of San Juan de Ulúa, is a large complex of fortresses, prisons and one former palace on an island of the same name in the Gulf of Mexico overlooking the seaport of Veracruz, Mexico. Juan de Grijalva's ...

. June 1 is National Maritime (Merchant Marine) Day, in honor of the ''Tabasco,'' the first ship crewed exclusively by Mexican-born sailors (1917) and the ''Potrero del Llano'' and ''Faja de Oro,'' Mexican oil tankers sunk on May 13 and 20, 1942, during World War II.

Netherlands

In The Netherlands the navy days ("''vlootdagen''") are held on the first weekend of July, with major events organized by the

Royal Netherlands Navy The Royal Netherlands Navy ( nl, Koninklijke Marine, links=no) is the naval force of the Kingdom of the Netherlands. During the 17th century, the navy of the Dutch Republic (1581–1795) was one of the most powerful naval forces in the world an ...

Peru

In Peru, Navy Day is a national holiday celebrated on October 8 in commemoration of the

Battle of Angamos The Battle of Angamos ( es, Combate de Angamos) was a naval encounter of the War of the Pacific fought between the navies of Chile and Perú at Punta Angamos, on 8 October 1879. The battle was the culminating point of a naval campaign that las ...

in 1879 and the anniversary of

Peruvian Navy The Peruvian Navy ( es, link=no, Marina de Guerra del Perú, abbreviated MGP) is the branch of the Peruvian Armed Forces tasked with surveillance, patrol and defense on lakes, rivers and the Pacific Ocean up to from the Peruvian littoral. Addit ...

creation in 1821.

Pakistan

Pakistan Pakistan ( ur, ), officially the Islamic Republic of Pakistan ( ur, , label=none), is a country in South Asia. It is the world's List of countries and dependencies by population, fifth-most populous country, with a population of almost 24 ...

, Navy Day (

Urdu Urdu (;"Urdu"
''

Indo-Pakistan war of 1965 The Indo-Pakistani War of 1965 or the Second Kashmir War was a culmination of skirmishes that took place between April 1965 and September 1965 between Pakistan and India. The conflict began following Pakistan's Operation Gibraltar, which was d ...

. September 8, 1965 was the day when

Pakistan Navy ur, ہمارے لیے اللّٰہ کافی ہے اور وہ بہترین کارساز ہے۔ English language, English: Allah is Sufficient for us - and what an excellent (reliable) Trustee (of affairs) is He!(''Quran, Qur'an, Al Imran, 3:173' ...

launched its successful strategic operation against India, codename

Operation Dwarka Operation Dwarka was a naval operation by the Pakistan Navy to attack the Indian coastal town of Dwarka on 7 and 8 September 1965. This instance was the first engagement by the Pakistan Navy in any of the Indo-Pakistan Wars. As the Indo-Pa ...

, by the 25th Destroyer Squadron.

Portugal

In Portugal, since 1998, Navy Day is celebrated on May 20, in remembrance of

Vasco da Gama Vasco da Gama, 1st Count of Vidigueira (; ; c. 1460s – 24 December 1524), was a Portuguese explorer and the first European to reach India by sea. His initial voyage to India by way of Cape of Good Hope (1497–1499) was the first to link E ...

's first arrival in India.

Romania

In Romania, Navy Day takes place on August 15.

Russia

Guard of honor Day of the Navy - panoramio

Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...

Navy Day Several nations observe or have observed a Navy Day to recognize their navy. By country Argentina The Argentine Navy day is celebrated on May 17, anniversary of the victory achieved in 1814 in the Battle of Montevideo. Bahrain The R ...

is a national holiday that normally takes place on the last Sunday of July. It is a legacy of the

that introduced this holiday in June 1939; the date was chosen in connection with the

.The Rise and Fall of the Soviet Navy in the Baltic 1921–1941
by Gunnar Åselius,

Routledge Routledge () is a British multinational publisher. It was founded in 1836 by George Routledge, and specialises in providing academic books, journals and online resources in the fields of the humanities, behavioural science, education, law, and ...

, 2005,

Taiwan (ROC)

In Taiwan, Navy Day is celebrated on September 2. It commemorates the September 2 Naval Battle in 1958 during the

Second Taiwan Strait Crisis The Second Taiwan Strait Crisis, also called the 1958 Taiwan Strait Crisis, was a conflict that took place between the People's Republic of China (PRC) and the Republic of China (ROC). In this conflict, the PRC shelled the islands of Kinme ...

Thailand

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...

, Royal Thai Navy Day is celebrated on November 20. The day commemorates the day in 1906 that

King Chulalongkorn Chulalongkorn ( th, จุฬาลงกรณ์, 20 September 1853 – 23 October 1910) was the fifth monarch of Siam under the House of Chakri, titled Rama V. He was known to the Siamese of his time as ''Phra Phuttha Chao Luang'' (พร� ...

opened the

Royal Thai Naval Academy The Royal Thai Naval Academy (Thai: โรงเรียนนายเรือ) (RTNA) was established by King Chulalongkorn (Rama V) in 1898. He officially opened the academy on 20 November 1906. Originally located on the royal yacht ''Maha ...

Turkey

In Turkey, Navy Day is celebrated on September 27. It commemorates the

Battle of Preveza The Battle of Preveza was a naval battle that took place on 28 September 1538 near Preveza in Ionian Sea in northwestern Greece between an Ottoman fleet and that of a Holy League assembled by Pope Paul III. It occurred in the same area in ...

on 27 September 1538 near

Preveza Preveza ( el, Πρέβεζα, ) is a city in the region of Epirus, northwestern Greece, located on the northern peninsula at the mouth of the Ambracian Gulf. It is the capital of the regional unit of Preveza, which is part of the region of Epiru ...

in northwestern

Greece Greece,, or , romanized: ', officially the Hellenic Republic, is a country in Southeast Europe. It is situated on the southern tip of the Balkans, and is located at the crossroads of Europe, Asia, and Africa. Greece shares land borders with ...

between an Ottoman fleet and that of a Christian alliance assembled by

Pope Paul III Pope Paul III ( la, Paulus III; it, Paolo III; 29 February 1468 – 10 November 1549), born Alessandro Farnese, was head of the Catholic Church and ruler of the Papal States from 13 October 1534 to his death in November 1549. He came to ...

in which the Ottoman fleet defeated the allies. It is not a national holiday.

Turkmenistan

In Turkmenistan,

is celebrated on October 9 and celebrates the founding of the

Turkmen Naval Forces The Turkmen Naval Forces ( Turkmen: Türkmenistanyň Harby-deňiz Güýçleri) is the naval warfare branch of the armed forces of Turkmenistan. Turkmenistan's Navy Day is celebrated annually on October 9. The naval forces were directed by the ...

in 1992.

Ukraine

Ukraine Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the second-largest European country after Russia, which it borders to the east and northeast. Ukraine covers approximately . Prior to the ongoing Russian inv ...

is a professional holiday that is celebrated on the first Sunday of July.Ukrainian Navy to celebrate its holiday on first Sunday of July – decree

Interfax-Ukraine The Interfax-Ukraine ( uk, Інтерфакс-Україна) is a Kyiv-based Ukraine, Ukrainian independent news agency founded in 1992. The company does not belong to the Russian news corporation Interfax Information Services. The company pub ...

(12 June 2015) The commemoration was established in 1996 (then to be celebrated August 1). Till 2012 the day was celebrated on August 1. From 2012 till 2015 Ukraine had the same date for its Navy Day as

and the

( like Russia, Ukraine is a former Soviet republic); the Soviet Union introduced its Navy Day in June 1939; the date was chosen because of a connection with the day the

took place.President signs Decree On Celebration of Some Memorable Dates and Professional Holidays
,

President.gov.ua The Office of the President of Ukraine ('' uk, Офіс Президента України'') (formerly ''Administration of the President of Ukraine'', uk, Адміністрація Президента) is a standing advisory body set up by ...

(30 December 2011) On 24 August 2014

Ukrainian President The president of Ukraine ( uk, Президент України, Prezydent Ukrainy) is the head of state of Ukraine. The president represents the nation in international relations, administers the foreign political activity of the state, condu ...

Petro Poroshenko Petro Oleksiyovych Poroshenko ( uk, Петро́ Олексі́йович Пороше́нко, ; born 26 September 1965) is a Ukrainian businessman and politician who served as the fifth president of Ukraine from 2014 to 2019. Poroshenko ser ...

declared that Ukraine should not celebrate the holidays of the "military-historical calendar of

" but "We will honor the defenders of our homeland, not someone else's". On 12 June 2015 a Presidential decree by Poroshenko moved Ukraine's Navy Day to the first Sunday of July.

United Kingdom

The term is also used in Britain to mean an open day at a

dockyard A shipyard, also called a dockyard or boatyard, is a place where ships are built and repaired. These can be yachts, military vessels, cruise liners or other cargo or passenger ships. Dockyards are sometimes more associated with maintenance a ...

such as

HMNB Portsmouth His Majesty's Naval Base, Portsmouth (HMNB Portsmouth) is one of three operating bases in the United Kingdom for the Royal Navy (the others being HMNB Clyde and HMNB Devonport). Portsmouth Naval Base is part of the city of Portsmouth; it is lo ...

, when the public can visit military ships and see air displays, roughly along the lines of an American

Fleet Week Fleet Week is a United States Navy, United States Marine Corps, and United States Coast Guard tradition in which active military ships recently deployed in overseas operations dock in a variety of major cities for one week. Once the ships dock, ...

.Navy Matters
The

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against F ...

's equivalent of "Navy Day" is

Trafalgar Day Trafalgar Day is the celebration of the victory won by the Royal Navy, commanded by Vice-Admiral Horatio Nelson, over the combined French and Spanish fleets at the Battle of Trafalgar on 21 October 1805. History The formation of the Navy Lea ...

, which is celebrated on 21 October.

United States

In the United States, the

Navy League of the United States The Navy League of the United States, commonly referred to as the Navy League, is a national association with nearly 50,000 members who advocate for a strong, credible United States Navy, United States Marine Corps, United States Coast Guard and ...

organized the first Navy Day in 1922, holding it on October 27 because it was the birthday of 26th President

Theodore Roosevelt Theodore Roosevelt Jr. ( ; October 27, 1858 – January 6, 1919), often referred to as Teddy or by his initials, T. R., was an American politician, statesman, soldier, conservationist, naturalist, historian, and writer who served as the 26t ...

(1858–1919, served 1901–1909), who was a naval enthusiast/promoter of sea power and former assistant

Secretary of the Navy The secretary of the Navy (or SECNAV) is a statutory officer () and the head (chief executive officer) of the Department of the Navy, a military department (component organization) within the United States Department of Defense. By law, the se ...

just before the

Spanish–American War , partof = the Philippine Revolution, the decolonization of the Americas, and the Cuban War of Independence , image = Collage infobox for Spanish-American War.jpg , image_size = 300px , caption = (clock ...

of 1898. Although meeting with mixed reviews the first year, in 1923 over 50 major cities participated, and the

United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...

sent a number of its ships to various port cities for the occasion. The 1945 Navy Day was an especially large celebration, with 33rd President

Harry S. Truman Harry S. Truman (May 8, 1884December 26, 1972) was the 33rd president of the United States, serving from 1945 to 1953. A leader of the Democratic Party, he previously served as the 34th vice president from January to April 1945 under Franklin ...

(1884–1972, served 1945–1953), reviewing the returning home American fleet in

New York Harbor New York Harbor is at the mouth of the Hudson River where it empties into New York Bay near the East River tidal estuary, and then into the Atlantic Ocean on the east coast of the United States. It is one of the largest natural harbors in t ...

after victory in

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

. In 1949, Louis A. Johnson, (1891–1966, served 1949–1950), second

Secretary A secretary, administrative professional, administrative assistant, executive assistant, administrative officer, administrative support specialist, clerk, military assistant, management assistant, office secretary, or personal assistant is a w ...

of the newly merged and created

Department of Defense Department of Defence or Department of Defense may refer to: Current departments of defence * Department of Defence (Australia) * Department of National Defence (Canada) * Department of Defence (Ireland) * Department of National Defense (Philipp ...

, directed that the U.S. Navy's participation occur on newly established

Armed Forces Day Many nations around the world observe some kind of Armed Forces Day to honor their military forces. This day is not to be confused with Veterans Day or Memorial Day. Africa Egypt In Egypt, Armed Forces Day is celebrated on 6 October, ...

for the unified/coordinated uniformed services in May, although as a private civilian organization, the Navy League was not affected by this directive, and continued to organize separate Navy Day celebrations as before. In the 1970s, historical research found that the "birthday" of the earlier

Continental Navy The Continental Navy was the navy of the United States during the American Revolutionary War and was founded October 13, 1775. The fleet cumulatively became relatively substantial through the efforts of the Continental Navy's patron John Adams ...

during the

American Revolutionary War The American Revolutionary War (April 19, 1775 – September 3, 1783), also known as the Revolutionary War or American War of Independence, was a major war of the American Revolution. Widely considered as the war that secured the independence of t ...

(1775–1783), was determined to be October 13, 1775, and so

Chief of Naval Operations The chief of naval operations (CNO) is the professional head of the United States Navy. The position is a statutory office () held by an admiral who is a military adviser and deputy to the secretary of the Navy. In a separate capacity as a memb ...

Admiral Elmo R. Zumwalt worked with the Navy League to define October 13 as the new date of Navy Day. However, Navy Day in the United States is still largely recognized as October 27.

Venezuela and Colombia

July 24, the birthday of Simon Bolivar and the anniversary of the 1823 Patriot victory in the

Battle of Lake Maracaibo The Battle of Lake Maracaibo also known as the "Naval Battle of the Lake" was fought on 24 July 1823 on Venezuela's Lake Maracaibo between fleets under the commands of Republican Admiral José Prudencio Padilla and royalist Captain Ángel Labo ...

, is marked as Navy Day in both Venezuela and Colombia. Both the

Bolivarian Navy of Venezuela ) , mascot = , battles = Venezuelan War of Independence and the Battle of Lake Maracaibo , anniversaries = July 24, Birthday of Simon Bolivar, Navy Day and Battle of Lake Maracaibo An ...