Nikoloz Chkheidze (; ) commonly known as Karlo Chkheidze ( – 13 June 1926), was a Georgian politician. In the 1890s, he promoted the Social Democratic movement in Georgia. He became a key figure in the Russian Revolution (February 1917 to October 1917) as the Menshevik president of the Executive Committee of the Soviet of Petrograd (until September 1917). Later he served as president of the Transcaucasian Sejm (February 1918 to May 1918), and he held office in the Transcaucasian Democratic Federative Republic (April–May 1918). Later he became president of parliamentary assemblies of the Democratic Republic of Georgia, National Council, Constituent Assembly and Parliament (May 1918 to March 1921). Early life and family Chkheidze was born to an aristocratic family in Puti, Kutais Governorate (in the present-day Zestafoni Municipality of the Imereti province of Georgia). From his marriage with Alexandra Taganova (X-1943), he will have four children including a daughter who will accompany him in exile. Political career In 1892, Chkheidze, together with Egnate Ninoshvili, Silibistro Jibladze, Noe Zhordania and Kalenike Chkheidze (his brother), became a founder of the first Georgian Social-Democratic group, Mesame Dasi (the third team). Russia From 1907 to 1917, Chkheidze was a member of Tiflis Gubernyia in the Russian State Duma and gained popularity as a spokesman for the Menshevik faction within the Russian Social Democratic Party. He was an active member of the irregular freemasonic lodge, the Grand Orient of Russia’s Peoples. In 1917, the year of the Russian Revolution, Chkheidze became Chairman of the Petrograd Soviet. He failed to prevent the rise of radical Bolshevism and refused a post in the Russian Provisional Government. However, he did support its policies and advocated revolutionary oboronchestvo (defencism). He also voted to continue the war against the German Empire. Transcaucasia In October 1917, the Bolsheviks seized power in Russia. At the time, Chkheidze was in Georgia. He remained in Georgia and on 23 February 1918, became leader of the Transcaucasian Federation in Tiflis. Some months later the federation was dissolved. Democratic Republic of Georgia On 26 May 1918, the Act of Independence of Georgia was adopted, Chkheidze was elected chairman of the National Council of Georgia: this Georgian Provisional Assembly decided to appoint a government, to prepare elections and to create a constitutional commission. In February 1919 he was elected a member of the Constituent Assembly of Georgia and on March 12 president of this assembly, but