Date of Birth: 
Place of Birth: Sassari, Sardinia, Italy
About Mario Segni
- Mariotto Segni, more often known as Mario, (born 16 May 1939 in Sassari, Sardinia) is an Italian politician and professor of civil law.
- He would go on to help found several parties, focused on fighting for referendum reform.
- He is also the son of the politician Antonio Segni, one time President of the Republic of Italy.
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