** The city of Hatogaya, Saitama, Japan is founded.

** Limtrain in Saitama ( short-lived demonstration track, 1988 )

** Wako ( Saitama Prefecture )

** Kita-ku, Saitama

** Chichibu, Saitama, a city

** Chichibu District, Saitama

** Fujimi, Saitama, a city

** Urawa PARCO-Urawa-ku, Saitama

** Urawa, Saitama was a city and its area is now Urawa, Minami, Nishi and Sakura wards of Saitama City.

**: ja: Urawa University and Urawa University Junior College are located in Midori-ku, Saitama.

** Ōmiya Station ( Saitama ) ( 大宮駅 ) in Ōmiya-ku, Saitama City of the East Japan Railway Company ( JR East ), Tobu Railway and Saitama New Urban Transit

** Higashi-Ōmiya Station ( 東大宮駅 ) in Minuma-ku, Saitama City on the Utsunomiya Line of the East Japan Railway Company

** Kita-Ōmiya Station ( 北大宮駅 ) in Ōmiya-ku, Saitama City on the Noda Line of Tobu Railway

** Ōmiya-Kōen Station ( 大宮公園駅 ) in Ōmiya-ku, Saitama City Saitama on the Noda Line of Tobu Railway

** Hidaka, Saitama, a city in Saitama Prefecture

** Forms Nitto Shinko Corp. and Saitama Nitto Denko Corp.

** Omiya-ku, Saitama

** Eunectes murinus, the green anaconda, the largest species, is found east of the Andes in Colombia, Venezuela, the Guianas, Ecuador, Peru, Bolivia, Brazil and on the island of Trinidad.

** Eunectes notaeus, the yellow anaconda, a smaller species, is found in eastern Bolivia, southern Brazil, Paraguay and northeastern Argentina.

** Eunectes deschauenseei, the dark-spotted anaconda, is a rare species found in northeastern Brazil and coastal French Guiana.

** Eunectes beniensis, the Bolivian anaconda, the most recently defined species, is found in the Departments of Beni and Pando in Bolivia.

** Tarski's theorem: For every infinite set A, there is a bijective map between the sets A and A × A.

** The Cartesian product of any family of nonempty sets is nonempty.

** König's theorem: Colloquially, the sum of a sequence of cardinals is strictly less than the product of a sequence of larger cardinals.

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

** For every non-empty set S there is a binary operation defined on S that makes it a group.

** Tychonoff's theorem stating that every product of compact topological spaces is compact.

** In the product topology, the closure of a product of subsets is equal to the product of the closures.

** If S is a set of sentences of first-order logic and B is a consistent subset of S, then B is included in a set that is maximal among consistent subsets of S. The special case where S is the set of all first-order sentences in a given signature is weaker, equivalent to the Boolean prime ideal theorem ; see the section " Weaker forms " below.

** Any union of countably many countable sets is itself countable.

** If the set A is infinite, then there exists an injection from the natural numbers N to A ( see Dedekind infinite ).

** Every infinite game in which is a Borel subset of Baire space is determined.

** The Vitali theorem on the existence of non-measurable sets which states that there is a subset of the real numbers that is not Lebesgue measurable.

** The Lebesgue measure of a countable disjoint union of measurable sets is equal to the sum of the measures of the individual sets.

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

** Hackney Central ( ward ), a political division of the Council

** Hackney Downs ( ward ), a political division of the Council

** 1915 memoir of New York City ward boss George Washington Plunkitt who coined the term " honest graft "

** Preston ( ward )

** Ashburton ( ward ), a ward in the London Borough of Croydon, England

** A ward of the London Borough of Bromley

** Kawasaki-ku, Kawasaki, a ward in Kawasaki, Kanagawa

** Tama-ku, Kawasaki (), a ward in Kawasaki, Kanagawa

** Door gods displayed on doorways to ward off evil and encourage the flow of good fortune

** Kirkdale ( ward )

** Dore and Totley, electoral ward that includes this village

** Higashi-ku, Fukuoka, a ward of Fukuoka

** Higashi-ku, Hiroshima, a ward of Hiroshima

** Higashi-ku, Nagoya, a ward of Nagoya

** Higashi-ku, Sapporo, a ward of Sapporo

** Bolton and Undercliffe-a ward, and two different localities within Bradford, West Yorkshire.

** Holloway ( ward ), an electoral division of the London Borough of Islington