the ex post facto law was created in 1648.
when was the ex post facto law created?
1648
after world war ii, finland was under pressure to convict political leaders whom the allied powers considered responsible for finnish involvement in the war. an "ex post facto" law was passed in the autumn of 1945 to permit prosecution for war responsibility, and eventually eight politicians were convicted.





















































in another post-war case, the weapons cache case, an "ex post facto" law was passed in 1947 so that military personnel could be prosecuted for unofficially preparing for guerrilla resistance in case of soviet occupation.





















































section::::"ex post facto" laws by country.:france.
ex post facto law
in the united states, congress is prohibited from passing "ex post facto" laws by clause 3 of article i, of the united states constitution. the states are prohibited from passing "ex post facto" laws by clause 1 of article i, . this is one of the relatively few restrictions that the united states constitution made to both the power of the federal and state governments before the fourteenth amendment. thomas jefferson described them as "equally unjust in civil as in criminal cases". over the years, however, when deciding "ex post facto" cases, the united states supreme court has referred repeatedly to its ruling in "calder v. bull", in which justice samuel chase held that the prohibition applied only to criminal matters, not civil matters, and established four categories of unconstitutional "ex post facto" laws. the case dealt with the article i, section 10, prohibition on "ex post facto" laws, because it concerned a connecticut state law.
ex post facto law