** The Nielsen – Schreier theorem, that every subgroup of a free group is free.

** Carefree means " free from care or anxiety.

** Carefree means ' free from care or anxiety '.

** Mini Zork I: The Great Underground Empire ( 1987, Marc Blank & Dave Lebling, free cut-down, single load tape version of game, covermounted on UK's ZZAP! 64 magazine )

** Freeview digital free satellite with a dozen SD channels, with SD feeds of the terrestrial HD freeview channels.

** Sex drive is dependent on androgen levels only in the presence of estrogen, but without estrogen, free testosterone level actually decreases sexual desire ( instead of increases sex drive ), as demonstrated for those women who have hypoactive sexual desire disorder, and the sexual desire in these women can be restored by administration of estrogen ( using oral contraceptive ).

** the free product of groups

** Webs ( web hosting ), a website which allows users to create free websites

** Raid at Cabanatuan: 121 American soldiers and 800 Filipino guerrillas free 813 American POWs from the Japanese-held camp at Cabanatuan City, Philippines.

** Cold War: East Germany holds its first free elections.

** Gulf War: The United Nations Security Council passes UN Security Council Resolution 678, authorizing military intervention in Iraq if that nation does not withdraw its forces from Kuwait and free all foreign hostages by Tuesday, January 15, 1991.

** Entebbe Raid: Israeli airborne commandos free 103 hostages being held by Palestinian hijackers of an Air France plane at Uganda's Entebbe Airport ; 1 Israeli soldier and several Ugandan soldiers are killed in the raid.

** The first free parliamentary elections are held in Poland.

** Kidnappers in Lebanon set Anglican Church envoys Terry Waite and Thomas Sutherland free.

** First free flight of Igor Sikorsky's Vought-Sikorsky VS-300 helicopter.

** Vietnam War – Operation Ivory Coast: A joint Air Force and Army team raids the Son Tay prison camp in an attempt to free American POWs thought to be held there ( no Americans are killed, but the prisoners have already moved to another camp ; all U. S. POWs are moved to a handful of central prison complexes as a result of this raid ).

** In Chipping Norton, England rioters attempt to free the Ascott Martyrs – sixteen women sentenced to imprisonment for attempting to dissuade strikebreakers.

** The Soviet manned space mission Soyuz 18a ends in failure during its ascent into orbit when a critical malfunction occurs in the second and third stages of the booster rocket during staging, resulting with the cosmonauts and their Soyuz spacecraft having to be ripped free from the vehicle.

** Brazil holds the second round of its first free election in 29 years ; Fernando Collor de Mello wins.

** Richard Stallman, American free software proponent

** 86 free African American colonists sail from New York City to Freetown, Sierra Leone.

** The Dutch were for free trade, while industries in Belgium called for the protection of tariffs.

** GnuTLS, free software implementation of the SSL and TLS protocols

** admitted California as a free state

** Zorn's lemma: Every non-empty partially ordered set in which every chain ( i. e. totally ordered subset ) has an upper bound contains at least one maximal element.

** Hausdorff maximal principle: In any partially ordered set, every totally ordered subset is contained in a maximal totally ordered subset.

** Antichain principle: Every partially ordered set has a maximal antichain.

** Filter ( mathematics ), a special subset of a partially ordered set

** A second hierarchy match algorithm was therefore created which uses the taxonomic hierarchies found in WordNet ( deep hierarchies ) and partially in LDOCE ( flat hierarchies ).

** HyTime was partially reworked into W3C XLink.

** The first nuclear-generated electrical power is sold commercially, partially powering the town of Arco, Idaho.

** free partially commutative monoid

** partially derived Afro-American religion

** Tales from the Crypt ( film ), a 1972 Amicus film starring Ralph Richardson partially based on the comic book

** The Vault of Horror, also known as Tales from the Crypt II, a 1973 sequel starring starring Terry-Thomas, Dawn Adams, Denholm Elliot, and Curt Jurgens also partially based on the comic book

** Spheroplasts: Have their cell wall only partially removed

** Ten counties: Bell, Burnet, Coke, Henderson, Houston, Jim Hogg, Jones, Lamar, partially Roberts, and Wood.

** Spanish ( in Spain, Latin America, Guatemala, partially in Philippines, Equatorial Guinea )

** G-Tower was partially demolished after the war ; one side remains visible.

** G-Tower was partially demolished after the war ; one side remains visible.

** L-Tower was partially demolished after the war ; some walls remain visible.

** The Proclamation of Połaniec, Poland partially abolishes serfdom and grants substantial civil liberties to peasants

** Keewatin Region, Northwest Territories, partially overlapped the District of Keewatin, but was a distinct entity

** The Light Loop-A high energy loop where the boat is thrust partially out of the water as it breaks through the surface.