Independence Day (Estonia) in Tallinn. On 23 June 1919 in the Estonian War of Independence, troops during the Battle of Võnnu defeated a German division. This event is celebrated in Estonia as the Day of Victory. On 2 February 1920, Estonia and Soviet Russia signed the Tartu Peace Treaty which made Estonia a de jure independent state. On 16 November 1988, the Supreme Soviet of the Estonian SSR adopted the Estonian Sovereignty Declaration, which asserted Estonia's sovereignty and the supremacy of the Estonian laws over the laws of the Soviet Union. On 30 March 1990, the Supreme Soviet of the Estonian SSR adopted
Separation of Panama from Colombia under Tomás de Herrera. After rejoining Colombia following a 13-month independence, it remained a province which saw frequent rebellious flare-ups, notably the Panama crisis of 1885, which saw the intervention of the United States Navy. During the construction of the Panama canal, the initial attempts by France to construct a sea-level canal across the isthmus were secured through treaty with Colombia; however French cost overruns and corruption in the Panama scandals led to abandonment of the Canal for a decade. During the intervening years, local separatists used the political instability of the Thousand Days' War to agitate for political separation