Xc. – existence of three independent princedoms in territory of Latvia.1201y. – German merchants have based Riga.1205 – 1214 – the German award sword-bearer has grasped all territory of the country.XIIIc. - the earths of Latvia were a part of confederation of German princedoms – Livonia.1562y. – education of Kurljandsky duchy dependent on Poland.1629y. – Riga and the western part of the country is won by Swedes.1710y. – Russian armies took Riga.1721y. – the former Swedish territories in Latvia were a part of Russia.1795y. – the Kurljandsky duchy also is subordinated the Russian empire.1917 – 1918 – the German occupation of Latvia during I world war.On November, 13th 1918y. – declaration of independent republic. The president – Ulmanis.1919 – 1920 – civil war and the Soviet intervention. A victory of democratic forces and signing of the peace treaty from RSFSR.1940y. – the Soviet occupation of Latvia and joining to the USSR.1941 – 1944 – on territory of the country were the German armies.1944 – 1949 – guerrilla struggle of Latvians against Councils has not crowned success. Again as a part of the USSR.On August, 21st 1991y. – declaration of independent Latvian Republic.