Career
In 1905, Mironas participated in the Great Vilnius Seimas and, in 1917, the Vilnius Conference. He was elected to the Council of Lithuania and became its second vice-chairman. Later he left politics and worked as a priest.
1938 he was offered to become the Prime Minister of Lithuania representing Lithuanian Nationalists Union.
In 1941 he was arrested and imprisoned, being freed a few days later by the Lithuanian Activist Front. Arrested again in 1945, he was forced to collaborate with People’s Commissariat of Internal Affairs and worked in Vilnius.
As his collaboration with People’s Commissariat of Internal Affairs proved not to be satisfactory, Mironas was arrested yet again in 1947 and subsequently sent to Vladimir Prison, where he died in 1953.