Costantino Lazzari

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Costantino Lazzari
Personal details
Born	(1857-01-01)1 January 1857 Cremona, Italy
Died	29 December 1927 (1927-12-30) (aged 70) Rome, Italy
Political party	POI (1882–1892) PSI (1892–1922)
Occupation	Artisan, politician

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Costantino Lazzari (1 January 1857, Cremona – 29 December 1927, Rome) was an Italian politician. He was one of the founders and main leaders of the Italian Socialist Party.^[1]