"Frederick II (9 July 1857 – 9 August 1928) was the last sovereign Grand Duke of Baden, reigning from 1907 until the abolition of the German ...
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monarchies in 1918. The state of Baden originated from the area of the Grand Duchy. In 1951-1952, it became part of the new state of Baden-Württemberg." - (en.wikipedia.org 29.01.2020)