It was initially created as a result of World War 1, separating those territories from Austria and Hungary.
Yes.
Czechoslovakia & Yugoslavia
Poland was established Czechoslovakia was established
In 1948, shortly after World War Two ended.
Prior to World War I, Czechoslovakia did not exist as an independent nation; it was part of the Austro-Hungarian Empire. The empire included various ethnic groups, including Czechs and Slovaks, who sought greater autonomy and independence. Following the war and the collapse of Austro-Hungary in 1918, Czechoslovakia was established as a sovereign state.
The Nazis invaded Czechoslovakia.
Yes.
Taken early on in the war by the fascist Nazis.
Czechoslovakia & Yugoslavia
Germany.
Czechoslovakia
It was occupied by Germany on 15 March 1939.
Czechoslovakia, Yugoslavia and Poland
Czechoslovakia
Poland, Czechoslovakia, Yugoslavia.
The Sudetenland
Poland was established Czechoslovakia was established