** OSA-II with four SS-N-2 Styx missiles-6

** Shershen class torpedo boat with four 533mm heavyweight torpedo tubes 4 or 5

** quartic equation has degree four,

** EDIF Questions and answers, volume four, November 1989

**. hack ( video game series ), a four game series for the PlayStation 2

** Translation of Saint Thomas, one of four days in the year on which Quarter Sessions sat.

** 4 quad characters ; groups of four characters displayed in a row

** RPG-16: Reloadable RPG launcher, PG-16 with ~ 300 mm RHA penetration, higher accuracy and four times the range of the RPG-7

** Corner blocks or plate blocks – compose a block of stamps from one of the four corners of the stamp sheet.

** The terrestrial region, according to Aristotle, consisted of concentric spheres of the four elements — earth, water, air, and fire.

** The Portland Trail Blazers defeat the Philadelphia 76ers 109 – 107 to win the National Basketball Association finals four games to two.

** Anita Bryant is famously pied by four gay rights activists during a press conference in Des Moines, Iowa.

** Harold Wilson becomes British Prime Minister after leading the Labour Party to a narrow election win over the Tory government of Sir Alec Douglas-Home, which had been in power for 13 years and had four different leaders during that time.

** Joe DiMaggio's 56-game hitting streak begins as the New York Yankee center fielder goes one for four against Chicago White Sox Pitcher Eddie Smith.

** President of the United States Franklin D. Roosevelt's " Infamy " Address to a Joint Session of Congress at 12: 30 p. m. EST ( 17. 30 GMT ) and transmitted live over all four major national networks attracts the largest audience ever for an American radio broadcast, over 81 % of homes.

** A U. S. B-52 Stratofortress crashes in Greenland, discharging four nuclear bombs.

** CBS Radio cuts four soap operas: Backstage Wife, Our Gal Sunday, The Road of Life, and This is Nora Drake.

** The U. S. Navy's Commander Leroy Heath ( the pilot ) and Lieutenant Larry Monroe ( the bombardier / navigator ) establish a world flight-altitude record of 91, 450 feet ( 27, 874 m ), with payload, in an A-5 Vigilante twinjet bomber carrying a 1, 000 kilogram payload, and they better the previous world record by over four miles ( 6 km ).

** Shanda Sharer is tortured and burned to death in Madison, Indiana by four teenage girls.

** Germany formally regains complete independence after the four post-World War II occupying powers ( France, the United Kingdom, the United States and the Soviet Union ) relinquish all remaining rights.

** In Northern Ireland, the four main political parties begins talks on restoring self-government.

** At the Diet of Porvoo, Finland's four Estates pledge allegiance to Alexander I of Russia, commencing the secession of the future Grand Principality of Finland from Sweden.

** MGM's The Wizard of Oz receives its last of four December telecasts on CBS.

** Iraqi warplanes dropped mustard gas bombs on the Iranian town of Sardasht in two separate bombing rounds, on four residential areas.

** Alien ( franchise ), the film franchise, including other sequels

** Trichotomy: If two sets are given, then either they have the same cardinality, or one has a smaller cardinality than the other.

** Every unital ring other than the trivial ring contains a maximal ideal.

** British-Americans and on-going developments in New England cuisine, the national traditions founded in cuisine of the thirteen colonies and some aspects of other regional cuisine.

** ( note: Unlike a standard 6502, SALLY can be halted to allow other devices to control the bus )

** The Chesapeake Bay and other locally prominent bays

** Marching band, a group of performers that consist of instrumental musicians who generally perform outdoors and incorporate some type of marching ( and possibly other movements ) with their musical performance

** Between Basel SBB and Basel Badischer Bahnhof – Basel Badischer Bahnhof, and all other railway property and stations on the right bank of the Rhine belong to DB and are classed as German customs territory.

** Chinese character, a written language symbol ( sinogram ) used in Chinese, Japanese, and other languages

** other varieties of Chinese

** contemporaneous ancient copies minted as official coins by other cities or rulers

** registered in other countries: 31

** Backups are also important for reasons other than security.

** bow toward each other, in Korea, Japan and China

** do not bow at each other, in the Jewish tradition

** in the US, eye contact, a nod of the head toward each other, and a smile, with no bowing ; the palm of the hand faces sideways, neither upward nor downward, in a business handshake.

** present business cards to each other, in business meetings

** Gamemaster, the generic term used by other role-playing gaming companies

** The first day of Las Posadas ( Mexico, other Latin Americans )

** Langevin dynamics, a mathematical model for stochastic dynamics ; used in modeling molecules, yet also the stock market and other systems

** Menstruation or other vaginal discharge

** Mozilla extensions for Firefox and other Mozilla projects

** In power engineering, a " bus " is any graph node of the single-line diagram at which voltage, current, power flow, or other quantities are to be evaluated.

** A Highland tradition, highly influenced by the ornamentation and mixolydian scale of the Great Highland Bagpipe, as well as smoother bowing than other Scottish fiddle styles and a swinging of the 6 / 8 jig rhythm.

** Cricket Associations and Departments ( corporate teams ) versus each other, or other first-class opponents, provided the associations or departments are affiliated to the Pakistan Cricket Board, and the match is organized by the Pakistan Cricket Board