The mass of the antileptons is identical to that of the leptons, but all of the other properties are reversed. A third characteristic feature of leptons, in addition to their charge and mass properties, is their intrinsic angular momentum, or spin. Leptons are classified within a larger group of subatomic particles, the fermions, which are characterized by half-integer values of their spin.
Trick and Treat: Halloween in Italy. 28th October 2015. Itâs nearly that spooky time of year again. Although Halloween is renowned around the world as a holiday loved by the Americans (their holidays are celebrated bigger and better than anywhere else) it is becoming more and more popular in Italy.
Select another year-range: Liberation Day is a national holiday in Italy that is annually celebrated on April 25. It marks the fall of Mussolini's Italian Social Republic and the end of the Nazi occupation in Italy in 1945, towards the end of the second World War.The Italian flag, seen in many towns and cities throughout Italy on Liberation Day.n April 25, 1945, the Allied troops liberated Italy from the Nazi occupation and Benito Mussoliniâs rule. Mussolini was an Italian politician who led the National Fascist Party from 1922 to 1943.