** Kingdom of Great Britain, a sovereign state from 1707 to 1801

** United Kingdom of Great Britain and Ireland, a sovereign state from 1801 to 1922 ( and between 1922 and 1927 in its superseded form )

** Canals of the United Kingdom

** Diet of Hungary, the legislative assembly of the Kingdom of Hungary from 15th century to 1946

** National Day, celebrates the independence of Saint Lucia from United Kingdom in 1979.

** Geology of the United Kingdom

** The Kingdom of Prussia became part of the German Empire.

** Old Kingdom of Egypt: 27th to 22nd centuries BC

** Middle Kingdom of Egypt: 21st to 17th centuries BC

** New Kingdom of Egypt: 1570 to 1070 BC

** Induction ( teachers ), the period of one year following qualification as a teacher in the United Kingdom

** Northern Ireland, a constituent country of the United Kingdom

** Holocaust Memorial Day ( United Kingdom )

** List of United Kingdom prisons

** List of notable United Kingdom House of Lords cases

** Kings of Nekor, see Kingdom of Nekor

** Kings of Mataram, see Kingdom of Mataram

** Monarchs of the Armenian Kingdom of Cilicia

** Kingdom of Abkhazia

** Kingdom of Imereti

** Mothering Sunday ( United Kingdom )

** BMS: British Mycological Society ( United Kingdom )

** Remembrance Day ( United Kingdom and the Commonwealth of Nations, including Australia and Canada )

** Part of the Badge of the Supreme Court of the United Kingdom.

** United Kingdom Postmaster General

** Sedang language, what they speak.

** 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.