** The Treaty of Münster ( Instrumentum Pacis Monasteriensis, IPM ), concerning the Holy Roman Emperor and France and their respective allies.

** The Treaty of Osnabrück ( Instrumentum Pacis Osnabrugensis, IPO ), concerning the Holy Roman Emperor, the Empire and Sweden and their respective allies.

** UN Treaty Collection – Treaty Guide

** The Southeast Asia Treaty Organization is permanently disbanded.

** In 1999, the North Atlantic Treaty Organization ( NATO ) led by the United States launched air attacks against Yugoslavia ( then composed of only Serbia and Montenegro ) to pressure the Yugoslav government to end its military operations against ethnic Albanian separatists in Kosovo due to accusations of war crimes being committed by Yugoslav military forces working alongside nationalist Serb paramilitary groups.

** North Korea nuclear weapons program: North Korea announces that it plans to withdraw from the Nuclear Nonproliferation Treaty and refuses to allow inspectors access to nuclear sites.

** The Majilis of Kazakhstan approves the nuclear Non-Proliferation Treaty, and agrees to dismantle the more than 100 missiles left on its territory by the fall of the USSR.

** Treaty of San Francisco: In San Francisco, California, 48 nations sign a peace treaty with Japan to formally end the Pacific War.

** Japan-U. S. Security Treaty, which allows United States Armed Forces being stationed in Japan after the occupation of Japan, is signed by Japan and the United States.

** Anglo-Jordanian Treaty of 1948 expires.

** Treaty of Brussels signed by Belgium, France, Luxembourg, the Netherlands and the United Kingdom, providing for economic, social and cultural collaboration and collective self-defence.

** Hay-Pauncefote Treaty signed by United Kingdom and United States, ceding control of the Panama Canal to the United States.

** Cold War: The two German states and the Four Powers sign the Treaty on the Final Settlement With Respect to Germany in Moscow, paving the way for German reunification.

** The Nuclear Non-Proliferation Treaty opens for signature.

** Warsaw Treaty Organization joint secretariat established.

** Mexican – American War formally ends, making the unincorporated, unorganized California Territory a provisional official possession: The Treaty of Guadalupe Hidalgo is signed, ending the war and ceding to the United States virtually all of what is today the southwest United States.

** Commonwealth of Independent States Collective Security Treaty ( CST ) signed ( effective 20 April 1994 ).

** Richard Nixon and Leonid Brezhnev sign the SALT I treaty in Moscow, as well as the Anti-Ballistic Missile Treaty and other agreements.

** Estonian War of Independence: The Tartu Peace Treaty is signed, ending the war and recognizing Estonian independence.

** Treaty of Moscow ( 1920 ): Soviet Russia recognizes independence of the Democratic Republic of Georgia only to invade the country six months later.

** Argentina, Brazil, Uruguay and Paraguay sign the Treaty of Asunción, establishing South Common Market ( Mercosur its acronym in Spanish )

** Warsaw Treaty Organization officially dissolved in accordance with a protocol calling for a “ transition to all-European structures.

** Treaty of Craiova: Romania loses Southern Dobrudja to Bulgaria.

** World War I: The Paris Peace Conference opens at Versailles, France.

** In Versailles, the National Assembly reconstitutes itself as the National Constituent Assembly and begins preparations for a French constitution.

** 1914, Warrantee Atlas of Allegheny County, Plate 14: North and South Versailles Townships

** Memel Territory ( Memelland ), the area separated from Germany by the Treaty of Versailles, later called Klaipėda Region

** Alexander Fraser ( proprietor ), John MacGillivray, Robert Henry, Louis Versailles, Charles Messier, Pierre Hurteau ;

** The Intrigues at Versailles ; or, A Jilt in all Humours

** The Versailles Stables

** Versailles Township, Brown County, Illinois, which contains the village

** Versailles State Park near Versailles, Indiana

** Versailles High School in Versailles, Ohio

** Split 7 " with Versailles ( Boxcar, 1998 )

** The Palace of Versailles near the town of Versailles, Île-de-France

** Palais des Sports ( Paris ) in Porte de Versailles ( 16th arrondissement )

** 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.