It was part of Czechoslovakia. Czechoslovakia splits up into two separate states: the Czech Republic and the Slovak Republic on January 1st 1993.
Russia took over it after WW2 and made it a Communist satellite country to have as a buffer between the "western" enemies.
Update:
Historical names of Czech Republic:
Samo Empire - 7th century
Great Moravia - up to 907
Duchy of Czech - up to 1198
Czech Kingdom or Kingdom of Bohemia (1198-1526) sovereign medieval state.
Czech Kingdom (part of Austria Hungary) 1526-1918
Czechoslovak republic 1918-1993 (various names and various regimes-CSR, CSSR, CSFR).
1939-1935 (Protectorate of Bohmen und Mahren, CSR occupied by Germany)
The people of Czech Republic are known as Czechs.
The "Tatra" car.
bohemia
remarkable political stability
The western half of the Czech Republic is Bohemia, the eastern half is Moravia.
Tomas Kaberle was born in Rakovnik, Czechoslovakia (now known as the Czech Republic) and grew up in the Czech Republic.
Pilsen, or Plzen as it is known locally in the Czech Republic, is a sister city to Birmingham, Alabama.
By far the most important resource of the Czech Republic is its people who are well known for a high level of education.
Not necessarily- there is a "Kost Castle", known for it's so-called "White tower", in the Czech Republic.
The historic lands of the modern Czech Republic have been known by many names throughout its long history. Although the Czech Republic was only founded in 1989 after the Velvet Revolution, it has a long and complex history. The historic Czech crownlands include, Bohemia, Moravia, Upper and Lower Lusatia and Silesia. These were the names that would be used to identify the lands of the Czech people throughout most of its early history from 1100 ad to 1526, when the Hapsburg Dynasty acended to the throne of the Kindgom of Bohemia. It would be known as such until the 1st World War, after which what is now known as Slovakia, Sub Carpathian Ukraine, and the Modern day Czech Republic where combined to form the First Republic of Czechoslovakia. Czechoslovakia split in 1938, when Nazi troops invaded. Due to Slovakia's compliance, it was granted status as a republic, while the Czech state was split into the Protectorates of Bohemia and Moravia. After the war, CZechoslovakia would be reunited, but after the communist coup, it was known as the Czech Socialist Republic until 1990. Czechoslovakia formally plit in 1993, forming the modern day Czech state.
Capital of the Czech Republic in Prague, also known as Praha. It is also the largest city in the country.
The polka. Also known as Bohemian polka.