1941
Czechoslovakia was annexed by Nazi Germany in March of 1938.
Czechoslovakia
Italy never invaded Czechoslovakia. Germany, an ally of Italy at the time, invaded Czechoslovakia in 1938.
16 March 1939
1948
Germany
The USSR took over Czechoslovakia on August 20, 1968.
Austria and Czechoslovakia.
Poland. After England and Prime Minister Neville Chamberlain gave away Czechoslovakia to Nazi Germany, (without asking the Czech people), Hitler felt he could take Poland easy.
The United Kingdom allowed Germany to take over part of Czechoslovakia, but it came to Poland's defense when Germany invaded. However, Britain was ill-prepared to stop the occupation of Poland by Germany and by the Soviet Union.
Czechoslovakia
Hitler obtained permission to go to war with Czechoslovakia in Munich, Germany via the Munich agreement. The Munich Agreement occurred in 1938.