March 1
- The late Judge John Sirica who broke the Watergate Scandal that destroyed the Nixon presidency was born in 1904.
- Matronalia, the Roman celebration of marriage and motherhood. The classical Italians were the first to establish the social equality of women. On this day, husbands gave gifts to their wives.
March 4 - Antonio Vivaldi, classical composer of the "Four Seasons" opus, was born in 1678.
March 6 - Comedian Lou Costello was born in 1908.
- Renaissance artist and sculptor Michelangelo Buonaroti is born in 1475.
March 9 - Queen Mary of Scotland's advisor David Rizzo was murdered by her jealous husband in 1566.
March 10 - Sicily becomes a part of Italy in 241 BC when the Roman legions under Consul Caius Lutatius Catulus and Praetor (Vice Consul) Quintus Valerius Falto defeat the Carthaginian navy at Drepani (Trapani).
Marcello Malpighi, founder of the science of microscopic anatomy, was born in 1628.
March 11 - Supreme Court Justice Antonin Scalia was born in 1936.
March 12 - American singer Liza Minelli is born in 1946.
March 13 - Joe Bellino was born in 1938. He was the first U.S. Naval Cadet to receive football's Heisman Trophy in 1960.
March 14 - Eleven Italian-Americans were murdered by a New Orleans mob on this date in 1891. Although they were found innocent in a court of law, the mob considered them mafiosi who assassinated the City's crooked sheriff.
March 15 - Caius Julius Caesar was assassinated in 44 B.C. by members of the Roman Senate who wished to end his dictatorship. Italy is thrown into another civil war.
March 16 - Communist Red Brigades murder former Italian Prime Minister Aldo Moro in 1978. The atrocity galvanizes the nation and leads to the defeat of the Red terror.
March 18 - Antonio Salviati was born in 1816. He established the island of Murano in Venice as the center of Italian glass manufacturing for mass production.
March 19 - St. Joseph's Day, when the birds fly back to Capistrano, California. The city was named for an Italian saint.
March 22 - The cornerstone is laid for the Victor Emmanuel Monument in Rome in 1885. It is also the Tomb of the Unknown Soldier.
March 23 - Mussolini founded the Fascist Party in 1919 in Milan to combat a Communist takeover of Italy.
March 28 - Wealthy Roman Senator Didius Julianus "buys" the emperorship from the Praetorian Guard in 193 AD. He is later beheaded when a Roman general from North Africa demands the imperial purple.
March 30 - A popular uprising in Palermo, Sicily ousted the French occupiers in 1282. The rebellion is known as the Sicilian Vespers.
March 31 - American race-car driver Ralph DePalma dies in 1956. In 1919, DePalma broke the record for one mile at 149.875 mph. He won 2,557 races out of 2,889 during his lifetime.