oslobođenje

1. (of a country, city) liberation
   Dvadesetog oktobra se slavi Dan oslobođenja Beograda. — The Day of the Liberation of Belgrade is celebrated on October 20.
   Posle oslobođenja grad je brzo obnovljen. — After the liberation the city was quickly rebuilt.
2. (+ od + gen.) release; exemption; freedom from something
   Firma je dobila oslobođenje od poreza na tri godine. — The company got a tax exemption for three years.
   Kraj ispita mi je bio pravo oslobođenje. — The end of exams was a real release for me.

What one is freed from is expressed with od + genitive.