Protocol of St. Petersburg Prince de Lieven arrived in St. Petersburg, serious talks began with Wellington. On 4 April 1826, the St. Petersburg Protocol, written in French, was signed by Prince de Lieven and Nesselrode for Russia and Wellington for Britain. The terms of the protocol were: The importance of the St. Petersburg protocol rested less with its precise terms, but as the beginning of the internationalization of the Greek war of independence as for the first time, two of the Great Powers had agreed to a plan to impose mediation on the war, granting the Greeks a limited independence and were willing to
20th-century art Conceptual Art, Dada and Pop Art ideas led to Damien Hirst's exhibition of a shark in formaldehyde in a vitrine. 20th-century art Twentieth-century art—and what it became as modern art—began with modernism in the late nineteenth century. Nineteenth-century movements of Post-Impressionism (Les Nabis), Art Nouveau and Symbolism led to the first twentieth-century art movements of Fauvism in France and Die Brücke ("The Bridge") in Germany. Fauvism in Paris introduced heightened non-representational colour into figurative painting. Die Brücke strove for emotional Expressionism. Another German group was Der Blaue Reiter ("The Blue Rider"), led by Kandinsky in Munich, who associated the "blue