Trans-Olza (Polish: Zaolzie, [zaˈɔlʑɛ] ; Czech: Záolží, Záolší; German: Olsa-Gebiet), also known as Trans-Olza Silesia (Polish: Śląsk Zaolziański), is...

and by giving an order to the so-called "battle units" of Trans-Olza Poles and the "Trans-Olza Legion", a paramilitary organisation that was made up of...

the Czech Republic is a Polish national minority living mainly in the Trans-Olza region of western Cieszyn Silesia. The Polish community is the only national...

of Návsí, as a Silesian Goral member of the Polish minority located in Trans-Olza. Pyszková later relocated to Prague to further her education. Prior to...

River north of Bohumín. The Olza-Oder confluence also forms a part of the border. The river is a symbol of the Trans-Olza region, which lies on its west...

southern parts of Slovakia and Carpathian Ruthenia to Hungary and the Trans-Olza region in Silesia to Poland. This, in effect, ended the First Czechoslovak...

Moreover, a small northeastern part of the borderland region known as Trans-Olza was occupied and annexed to Poland, ostensibly to "protect" the local...

Czechoslovakia. As Czechoslovakia was being absorbed into the German Reich, Trans-Olza, the Czech half of Cieszyn, was annexed by Poland in 1938 following the...

region later called Trans-Olza. The division of Cieszyn Silesia did not satisfy Poland and led to the Polish annexation of Trans-Olza in 1938. During the...

January 1919, Czechoslovak forces attacked Polish units in the area of Trans-Olza (see Polish–Czechoslovak War). Soon afterwards, the Polish–Lithuanian...