** 168 captured allied airmen, including Phil Lamason, accused of being " terror fliers " by the Gestapo, arrive at Buchenwald concentration camp.

** Maillé massacre: Massacre of 129 civilians ( 70 % women and children ) by the Gestapo at Maillé, Indre-et-Loire.

** The Gestapo arrests pastor Martin Niemöller.

** Klaus Barbie, German Gestapo leader in Lyon ( b. 1913 )

** Gestapo ( German )

** 24 March-RAF and Dominion Air Force personnel are murdered by the Gestapo after the " great escape " from Stalag Luft III Prisoner of War Camp.

** 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.

** Import substitution and nationalization, 1952 – 1966, during which the first program of industrialization in 1957 was established and led by the public sector in heavy industries such as iron and steel and chemical industries.

** unsponsored top-level domains: domains that operate directly under policies established by ICANN processes for the global Internet community.

** Croatian War of Independence ( 1991 – 1995 ) – the war fought in hegh town Croatia between the Croatian government, having declared independence from the Socialist Federal Republic of Yugoslavia, and both the Yugoslav People's Army ( JNA ) and Serb forces, who established the self-proclaimed Republic of Serbian Krajina ( RSK ) within Croatia.

** Council for Mutual Economic Assistance ( CMEA or COMECON ) established by Soviet Union and other communist nations.

** The AFSA ( predecessor of the NSA ) is established.

** Andean Pact ( Andean Group ) established.

** The first ARPANET link is established ( the progenitor of the global Internet ).

** The World Health Organization is established by the United Nations.

** Reinhard Heydrich, chief of the Security Police, sent a directive, the Schnellbrief, explaining that Jews living in towns and villages in the Polish occupation zones were to be transferred to ghettos, and Jewish councils – Judenräte – would be established to carry out the German authorities ’ orders.

** SHAEF headquarters is established in Britain by General Dwight D. Eisenhower.

** ICJ (" World Court ") established by the United Nations Charter.

** The Atomic Energy Commission is established.

** Ranabima Royal College is established in Sri Lanka.

** Preparatory Commission for the Comprehensive Nuclear Test Ban Organization ( CTBTO ) established.

** The Commonwealth Trade Union Council is established.

** After weeks of strikes at the Lenin Shipyard in Gdańsk, Poland, the nationwide independent trade union Solidarity is established.

** The University of East Anglia is established in Norwich, England.

** Nigeria becomes a republic ; The 1st Republican Constitution is established

** German football club FC Schalke 04 is established.

** International Bureau of the American Republics is established.

** The Central Intelligence Agency's Phoenix Program is officially established.

** The World Trade Organization ( WTO ) is established to replace the General Agreement on Tariffs and Trade ( GATT ).

** Full diplomatic relations are established between Bangladesh and Pakistan 5 years after the Bangladesh Liberation War.

** Warsaw Treaty Organization joint secretariat established.

** The Congressional Hispanic Caucus is established by the 5 Latinos in the United States Congress: Herman Badillo of the Bronx, E. de la Garza and Henry B. Gonzalez of Texas, Edward R. Roybal of California, and the nonvoting Resident Commissioner of Puerto Rico, Baltasar Corrada del Rio.