January 12, 1925 – North Siders riddled Capone’s car with bullets. Capone was not hit.

January 24, 1925 – North Siders Weiss, Vincent “The Schemer” Drucci and George “Bugs’ Moran, tried to kill Torrio before he went to prison; the gun failed, and they ran.

March 13, 1925 – Capone was trying to control the Unione Siciliana. His handpicked president Sam “Samoots” Amatuna, leading member of the Genna gang, was gunned down. It was believed the shooter was Drucci.

March 26, 1925 – The new Unione Siciliana president, “Bloody” Angelo Genna, was gunned down.

Mid April 1925 – Angelo Genna’s brother Mike was gunned down.

September 20, 1926 – Capone was shot at while having lunch at an Italian restaurant; he survived.

October 11, 1926 – “Little Hymie” Weiss was gunned down outside the same flower shop where O’Banion had been murdered almost two years before. Vincent Drucci now headed the North Side Gang.

April 4, 1927 – Drucci was gunned down by a police officer as they exchanged verbal assaults. Moran now headed up the North Side Gang.

Sometime in between – North Sider brothers Frank Gusenberg and Peter “Goosey” tried to knock off one of Capone’s top gunmen, “Machine Gun” Jack McGurn. They failed.

November 27, 1927 – Joe Aiello felt he earned the presidency of the Unione Siciliana; Capone had other ideas and made that perfectly clear when Aiello brothers Robert and Frank were gunned down.

July 1, 1928 – Frankie Yale, who had formed an alliance with Aiello, was visited by several of Capone’s men in New York. Yale didn’t survive.

January 8, 1929 – Joe Aiello and Bugs Moran paid a visit to the new Unione Siciliana President Antonio “The Scourge” Lombardo. A few shots later, the office of the President was again vacant.

February 14, 1929 – The key members of the North Side Gang were scheduled to meet at the SMC Cartage Company Garage. There was a traitor in the ranks and Moran wanted to discuss strategies with his men. Moran was running late due to a haircut; that haircut saved his life. While approaching the garage that morning, he saw a “police” car out front and retreated. Moran had no way of knowing that his men were being massacred in the very moments that he walked away.

Who actually shot the seven men that frigid February morning? No one will ever know for sure. The Saint Valentine’s Day Massacre is one of the most notorious unsolved mysteries – a mystery that continue to fascinate people almost 100 years later.