The Socialist Soviet Republic of Byelorussia (SSRB; Belarusian: Сацыялістычная Савецкая Рэспубліка Беларусь, romanized: Sacyjalistyčnaja Savieckaja Respublika Biełaruś; Russian: Социалистическая Советская Республика Белоруссия / ССРБ, romanized: Sotsialisticheskaya Sovetskaya Respublika Belorussiya / SSRB) was an early republic in the historical territory of Belarus for only one month in 1919 after the collapse of the Russian Empire as a result of the October Revolution.