Grigory Ivanovich Petrovsky (January 23, 1878 - January 9, 1958) was a revolutionary of Ukrainian origin, who was the Chairman of the Central Executive Committee of the USSR from December 30, 1922, to January 12, 1938. January 23 is the 23rd day of the year in the Gregorian calendar. ... 1878 (MDCCCLXXVIII) was a common year starting on Tuesday (see link for calendar). ... January 9 is the 9th day of the year in the Gregorian calendar. ... Year 1958 (MCMLVIII) was a common year starting on Wednesday of the Gregorian calendar. ... December 30 is the 364th day of the year (365th in leap years) in the Gregorian Calendar, with 1 day remaining. ... Year 1922 (MCMXXII) was a common year starting on Sunday (link will display full calendar). ... January 12 is the 12th day of the year in the Gregorian calendar. ... Year 1938 (MCMXXXVIII) was a common year starting on Saturday (link will take you to calendar). ...

Grigory Petrovsky was an active politician for most of his life. The start of his career in politics was when he joined the Russian Social Democratic Workers' Party in 1897. He was a Bolshevik revolutionist until November of 1914 when the people of the Bolshevik faction began to be prosecuted and exiled. On December 30, 1922, he became one of the four people to be elected to the USSR Central Executive Committee. He held the position until January 12, 1938, when he was elected Chairman of the Presidium of the Supreme Soviet of the USSR. This position only lasted a year and a half, and in 1940 he was made the Director of the Revolution Museum of the USSR in Moscow and never returned to politics again. He would live there until his death in 1958. The Russian Social Democratic Labour Party, or RSDLP (Росси́йская Социа́л-Демократи́ческая Рабо́чая Па́ртия = РСДРП), also known as the Russian Social Democratic Workers Party and the Russian Social Democratic Party, was a revolutionary socialist Russian political party formed in 1898 in Minsk to unite the various revolutionary organisations into one party. ... Bolshevik Party Meeting. ... Position of Moscow in Europe Coordinates: Country District Subdivision Russia Central Federal District Federal City Government  - Mayor Yuriy Luzhkov Area  - City 1,081 km²  (417. ...