Flakpanzer IV is the general designation for a series of self-propelled anti-aircraft guns based on the Panzerkampfwagen IV chassis. They are, in order of development:
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Roman numerals are a numeral system that originated in ancient Rome and remained the usual way of writing numbers throughout Europe well into the Late Middle Ages. Numbers are written with combinations of letters from the Latin alphabet, each letter with a fixed integer value. Modern style uses only these seven:
Charles IV, also known as Charles of Luxembourg, born Wenceslaus, was the first King of Bohemia to become Holy Roman Emperor. He was a member of the House of Luxembourg from his father's side and the Bohemian House of Přemyslid from his mother's side; he emphasized the latter due to his lifelong affinity for the Bohemian side of his inheritance, and also because his direct ancestors in the Přemyslid line included two saints.
George IV was King of the United Kingdom of Great Britain and Ireland and King of Hanover from 29 January 1820 until his death in 1830. At the time of his accession to the throne, he was acting as prince regent for his father, George III, having done so since 5 February 1811 during his father's final mental illness.
William IV was King of the United Kingdom of Great Britain and Ireland and King of Hanover from 26 June 1830 until his death in 1837. The third son of George III, William succeeded his elder brother George IV, becoming the last king and penultimate monarch of Britain's House of Hanover.
Edward IV was King of England from 4 March 1461 to 3 October 1470, then again from 11 April 1471 until his death in 1483. He was a central figure in the Wars of the Roses, a series of civil wars in England fought between the Yorkist and Lancastrian factions between 1455 and 1487.
Henry IV, also known as Henry Bolingbroke, was King of England from 1399 to 1413. Henry’s grandfather Edward III had begun the Hundred Years War by claiming the French throne in opposition to the House of Valois, a claim that Henry would continue during his reign. However, unlike his forebears, Henry was the first English ruler whose mother tongue was English rather than French, since the Norman Conquest, over three hundred years before.
The untitled fourth studio album by the English rock band Led Zeppelin, commonly known as Led Zeppelin IV, was released on 8 November 1971 by Atlantic Records. It was produced by guitarist Jimmy Page and recorded between December 1970 and February 1971, mostly in the country house Headley Grange. The album contains the band's most well-known recording, the eight-minute-long "Stairway to Heaven".
James IV was King of Scotland from 11 June 1488 until his death at the Battle of Flodden in 1513. He inherited the throne at the age of fifteen on the death of his father, James III, at the Battle of Sauchieburn, following a rebellion in which the younger James was the figurehead of the rebels. James IV is generally regarded as the most successful of the Stewart monarchs. He was responsible for a major expansion of the Scottish royal navy, which included the founding of two royal dockyards and the acquisition or construction of 38 ships, including the Michael, the largest warship of its time.
Henry IV, also known by the epithets Good King Henry or Henry the Great, was King of Navarre from 1572 and King of France from 1589 to 1610. He was the first monarch of France from the House of Bourbon, a cadet branch of the Capetian dynasty. He pragmatically balanced the interests of the Catholic and Protestant parties in France as well as among the European states. He was assassinated in 1610 by a Catholic zealot, and was succeeded by his son Louis XIII.
Antiochus IV Epiphanes was a Greek Hellenistic king who ruled the Seleucid Empire from 175 BC until his death in 164 BC. He was a son of King Antiochus III the Great. Originally named Mithradates, he assumed the name Antiochus after he ascended the throne. Notable events during Antiochus's reign include his near-conquest of Ptolemaic Egypt, his persecution of the Jews of Judea and Samaria, and the rebellion of the Jewish Maccabees.
In cryptography, a block cipher mode of operation is an algorithm that uses a block cipher to provide information security such as confidentiality or authenticity. A block cipher by itself is only suitable for the secure cryptographic transformation of one fixed-length group of bits called a block. A mode of operation describes how to repeatedly apply a cipher's single-block operation to securely transform amounts of data larger than a block.
Intravenous therapy is a medical technique that administers fluids, medications and nutrients directly into a person's vein. The intravenous route of administration is commonly used for rehydration or to provide nutrients for those who cannot, or will not—due to reduced mental states or otherwise—consume food or water by mouth. It may also be used to administer medications or other medical therapy such as blood products or electrolytes to correct electrolyte imbalances. Attempts at providing intravenous therapy have been recorded as early as the 1400s, but the practice did not become widespread until the 1900s after the development of techniques for safe, effective use.
In a musical composition, a chord progression or harmonic progression is a succession of chords. Chord progressions are the foundation of harmony in Western musical tradition from the common practice era of Classical music to the 21st century. Chord progressions are the foundation of popular music styles, traditional music, as well as genres such as blues and jazz. In these genres, chord progressions are the defining feature on which melody and rhythm are built.
Alexander IV, sometimes erroneously called Aegus in modern times, was the son of Alexander the Great and Princess Roxana of Bactria.
The Panzerkampfwagen IV, commonly known as the Panzer IV, is a German medium tank developed in the late 1930s and used extensively during the Second World War. Its ordnance inventory designation was Sd.Kfz. 161.
Henry IV, Part 1 is a history play by William Shakespeare, believed to have been written not later than 1597. The play dramatises part of the reign of King Henry IV of England, beginning with the battle at Homildon Hill late in 1402, and ending with King Henry's victory in the Battle of Shrewsbury in mid-1403. In parallel to the political conflict between King Henry and a rebellious faction of nobles, the play depicts the escapades of King Henry's son, Prince Hal, and his eventual return to court and favour.
The Elder Scrolls IV: Oblivion is an open-world action role-playing video game developed by Bethesda Game Studios, and co-published by Bethesda Softworks, 2K Games and Ubisoft. It is the fourth installment in The Elder Scrolls series, following 2002's The Elder Scrolls III: Morrowind, and was released for Microsoft Windows and Xbox 360 in 2006, followed by PlayStation 3 in 2007. Taking place within the fictional province of Cyrodiil, the game's main story focuses on the player character's efforts to thwart a fanatical cult known as the Mythic Dawn that plans to open portal gates to a demonic realm known as Oblivion.
Grand Theft Auto (GTA) is a series of action-adventure games created by David Jones and Mike Dailly. Later titles were developed under the oversight of brothers Dan and Sam Houser, Leslie Benzies and Aaron Garbut. It is primarily developed by British development house Rockstar North, and published by its American parent company, Rockstar Games. The name of the series is a term for motor vehicle theft in the United States.
Toei Company, Ltd. is a Japanese entertainment company. Headquartered in Ginza, Chūō, Tokyo, it is involved in film and television production, distribution, video game development, publishing, and ownership of 34 movie theaters. Toei also owns and operates studios in Tokyo and Kyoto and holds shares in several television companies. The company is renowned for its production of anime and live-action dramas known as tokusatsu, which incorporate special visual effects. It is also known for producing period dramas. Internationally, Toei is the majority shareholder of Toei Animation and is recognized for its franchises such as Kamen Rider and Super Sentai.
Grand Theft Auto IV is a 2008 action-adventure game developed by Rockstar North and published by Rockstar Games. It is the sixth main entry in the Grand Theft Auto series, following 2004's Grand Theft Auto: San Andreas, and the eleventh instalment overall. Set in the fictional Liberty City, based on New York City, the single-player story follows Eastern European war veteran Niko Bellic and his attempts to escape his past while under pressure from high-profile criminals. The open world design lets players freely roam Liberty City, consisting of three main islands, and the neighbouring state of Alderney, which is based on New Jersey.