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Mihail Kogălniceanu passed away on July 1, 1891 in Paris, France. He was a Romanian politician, diplomat, and historian who served as Prime Minister of Romania three times. Kogălniceanu is best known for his role in the unification of Romania in 1859, which he helped to achieve through his efforts as a diplomat. He also played a leading role in the drafting of the Romanian Constitution of 1866.