Proclamation Day of the Republic of Latvia of the city centre traditionally starts at the monument of Kārlis Ulmanis, the first prime minister of Latvia, and ends at the Freedom Monument. Another tradition with a long history is the Latvian National Armed Forces parade, which nowadays is held at 11 November Embankment in Riga. A popular modern tradition established in 2009, is for people all over the world to sing the Latvian national anthem "Dievs, svētī Latviju!" at the same time (21:00 EET). Proclamation Day of the Republic of Latvia Proclamation Day of the Republic of Latvia is celebrated annually on 18 November. It marks the anniversary
On the Restoration of Independence of the Republic of Latvia that in April 1920 the Latvian nation followed the principle of self-determination by electing a Constitutional Assembly of Latvia, which adopted the Constitution of Latvia on 15 February 1922, in general, equal and direct elections, based on proportional representation. On 23 August 1939, the Soviet Union and Nazi Germany signed the Molotov–Ribbentrop Pact, which included a secret protocol dividing Eastern Europe into spheres of influence. Latvia was apportioned to the Soviet sphere and on 5 October 1939, signed a mutual assistance pact. On 16 June 1940, the Soviet Union issued an ultimatum to Latvia accusing it of not carrying out