Question: Dobi-III is the third and the last aircraft designed by Lithuanian aviator Jurgis Dobkevičius, on June 8, 1926 it crashed, killing its designer, at which International Airport, is the  second-busiest civil airport in Lithuania after Vilnius Airport and the fourth-busiest in the Baltic states?
Sentence (from "Occupation of the Baltic states"): The Soviet "annexation occupation" ("Annexionsbesetzung " or occupation "sui generis") of the Baltic states lasted until August 1991, when the Baltic states regained independence.
Relevant evidence: No