Fleet review
A fleet review or naval review is an event where a gathering of ships from a particular navy is paraded and reviewed by an incumbent head of state and/or other official civilian and military dignitaries. A number of national navies continue to hold fleet reviews. Fleet reviews may also include participants and warships from multiple navies. Commonwealth realms. Fleet reviews in the Commonwealth realms are typically observed by the reigning monarch or their representative, a practice allegedly dating back to the 15th century. Such an event is not held at regular intervals and originally only occurred when the  fleet was mobilised for war or for a show of strength to discourage potential enemies, or during periods of commemorations. Since the 19th century, they have often been held for the coronation or for special royal jubilees and increasingly included delegates from other national navies. Australia. Australia has a history of Fleet Reviews, the last Fleet Review took place in Australia in October 2013. Canada. In Canada, fleet reviews may take place on either the Atlantic or Pacific coasts, typically in Halifax Harbour for the former and Victoria Harbour for the latter. New Zealand. There have been several Fleet Reviews  hosted by the Royal New Zealand Navy (RNZN). These include the following: United Kingdom. Because of the need for a natural large, sheltered and deep anchorage, UK fleet reviews have usually been held in the Solent off Spithead, although Southend, Torbay, the Firth of Clyde and some overseas ports have also hosted reviews. In the examples below, the venue is Spithead unless otherwise noted. A list follows of fleet reviews in England, Great Britain, and later the UK since the 14th century. Queen Victoria. 17 occurred during her reign, the most for any monarch. George VI. The Review Procession included  the royal yacht, HMY "Victoria and Albert", two minesweepers and a survey ship. The Commonwealth and Empire were represented by two warships from Canada and one each from New Zealand and India. A large complement of British merchant ships ranging from ocean liners to paddle steamers were also present. By tradition, foreign navies were invited to send a single warship each to the review and seventeen were present. Notable among them were USS "New York", which had brought Admiral Hugh Rodman, the President's personal representative for the coronation, across the Atlantic; the new French battleship "Dunkerque"; and the elderly  Soviet "Marat". Also present were the formidable looking German "pocket battleship", "Admiral Graf Spee", the Greek cruiser, "Georgios Averof" and the Japanese heavy cruiser, "Ashigara". Described by one naval officer in a letter to a friend - It was also the occasion of the infamous "Woodrooffe Incident" in the BBC Radio coverage (known by the phrase 'The Fleet's Lit Up!') HMY "Victoria and Albert III" took part in this review, her second and last before being scrapped in 1939. Japan. Since 1956, the Japan Maritime Self-Defense Force has hosted a fleet review approximately every three years in Sagami Bay . The Imperial Japanese Navy had historically held fleet reviews from 1869 to 1940. The Japan Coast Guard last held a fleet review in 2018 in honor of the JCG's 70th anniversary. South Korea. In October 1998, the Republic of Korea Navy hosted its first international fleet review in commemoration of the 50th anniversary of the Republic of Korea off the coast of Busan. They have since reconvened every 10 years on the 60th and 70th anniversaries in 2008 and 2018. 21 ships from 11 countries (Australia, Bangladesh, France, India, Indonesia, Japan, New Zealand, Philippines, Singapore, United Kingdom, United States ) participated in the first fleet review together with 34 ships and 15 aircraft from South Korea. United States. The United States Navy has hosted several naval reviews, with ships paraded by the navy reviewed by the president of the United States or the United States Secretary of the Navy.