The Mafia Series Timeline covers the entire history of the Mafia game world in chronological order. From the founding of Empire Bay in 1547 to the final events of Mafia III, every major event in the history of the Mafia universe is recorded here.
- Porto Romano (to be later renamed Empire Bay) is founded by Italian explorer Giulio Contadino, who named it after his home city of Rome.
- Porto Romano comes under Dutch rule and the simple trading post at the mouth of the Culver River grows into a major metropolis.
- Porto Romano is renamed Empire Bay by its first English governor, Sir John Stanmore, who oversaw the colony for a remarkable 45 years.
- The United States gains independence by winning the American Revolutionary War against Great Britain. British forces used ships in the bay to hold thousands of American POWs during the war. The conditions were so terrible that more men died there of disease than in the battles of the war itself.
- Humphrey Whiskey is founded.
- The landscaping of Lincoln Park begins; it is named to commemorate former president Abraham Lincoln.
- Frank Colletti is born.
- Frank Vinci is born.
- Leo Galante is born.
- The iconic Grand Upper Bridge is completed.
- Alberto Clemente is born.
- Silvio Palmieri is born.
- The Empire Bay Cannons are formed.
- Carlo Falcone is born.
- Luca Gurino is born.
- Henry Tomasino is born.
- The Moretti crime family begins their criminal operations in Empire Bay.
- World War I begins.
- Nationwide prohibition is put into force in the United States.
- Francesca Scaletta is born in Sicily.
- Don Peppone is killed.
- Salieri and Morello create their own families in Lost Heaven.
- Vito Scaletta is born in Sicily.
- The events of Mafia: The City of Lost Heaven begin.
- Tommy Angelo encounters future colleagues Paulie and Sam for the first time, saving their lives as they are chased by Morello goons.
- Tommy Angelo joins the Salieri Crime Family.
- The Scaletta Family arrive in Empire Bay.
- Tommy Angelo rigs the Lost Heaven Grand Prix by sabotaging one of the cars, then participates in and wins the race the following day.
- Tommy meets Sarah, Luigi's daughter, and their relationship begins.
- Tommy and Paulie exact revenge on the thugs and kill their leader Billy, the city councilor's son.
- The Corleone Hotel is blown up and the manager is killed by Tommy Angelo.
- The Lost Heaven Police Department starts a clampdown on the Salieri crime family
- Sam is injured during a failed whiskey deal in the Lost Heaven countryside.
- Frank Colletti becomes a state's witness, providing evidence against the Salieri family.
- Tommy and Salvatore break into The Prosecutor's villa in Oak Hill and steal incriminating evidence from his safe.
- William "Bill" Gates steals a shipment of whiskey from the Morello family and tries to sell it to the Salieri family.
- In Empire Bay, the Vinci-Moretti War finally ends with the assassination of Tomaso Moretti.
- Prohibition ends in the US.
- Marty Santorelli is born.
- The fantastic Culver Dam is completed.
- Tommy and Sarah get married. They later have a daughter.
- Giuseppe Carillo is killed in a French Ward restaurant by the Marcano brothers.
- Sal Marcano takes control of New Bordeaux and the Marcano Crime Family is created.
- A failed assassination attempt on Don Salieri leads to the murder of his body guard Carlo.
- The City Councilor is assassinated on his birthday.
- Sergio Morello, Jr. is targeted on five known assassination attempts.
- Don Morello is assassinated trying to flee Lost Heaven.
- The Salieri Crime Family takes control of the criminal underworld in Lost Heaven.
- Mr. Sewer is assassinated while giving a speech in New Ark.
- Frank Colletti is found and murdered in Europe, 5 years after he was supposedly killed by Tommy.
- Don Salieri orders the killing of Tommy, who flees Lost Heaven with his family.
- Tommy later returns to testify against the Salieri crime family.
- Don Salieri is sentenced to life imprisonment and eighty of his men to death.
- Tommy is sentenced to eight years in solitary confinement.
- The events of Mafia II Mobile take place.
- World War II begins.
- Josef Vangel flees his home country and opens his clothing store in Empire Bay.
- The Empire Arms Hotel burns down.
- The events of Mafia II begin.
- Antonio Scaletta is murdered by Steve Coyne.
- Vito Scaletta is arrested after robbing a jewelry store with Joe Barbaro, which leads to his joining of the US Army.
- Vito fights with the 504th Parachute Infantry during the Allied liberation of Sicily. It is here that he witnesses first-hand the power of The Mafia.
- June 6th: D-Day takes place in Europe. Harry participates in the landing, as a soldier of the U.S. Army.
- Vito is wounded and spends a few months in the hospital, being awarded the Purple Heart.
- Lincoln Clay is born.
- Vito returns home on leave for his injuries and reunites with Joe Barbaro, who gets him forged discharged papers through Giuseppe; ending his service in the US Army.
- Through the insistence of his mother, Vito sees Derek Pappalardo about work and does his first job for the Vinci Crime Family.
- Vito breaks into the Office of Price Administration to steal some gas stamps, which he then sells at area gas stations.
- While robbing a jewelry store, Vito and Joe run into Brian O'Neill and his gang and start a standoff, alerting the police and causing a shootout.
- Vito, Joe, and Henry ambush and kill Sidney Pen.
- Vito is arrested for stealing and distributing the gas stamps.
- May 8th: Nazi Germany surrenders to the Allies, bringing an end to World War II in Europe.
- Vito is sentenced to 10 years in prison for the theft and illegal distribution of federal ration stamps and sent to Hartmann Federal Penitentiary.
- While in prison, Vito befriends Leo Galante, consigliere of the Vinci crime family.
- Francesca Scaletta marries Eric Reilly.
- Maria Scaletta dies of an unknown illness.
- Vito murders Brian O'Neill in the prison gym.
- September 2nd: Japan surrenders to the Allies, bringing an end to World War II.
- Tommy Angelo is released from prison and moves to Empire Bay with his family under new identities. He receives work as a driver for a 'respectable company'.
- The Korean War breaks out. News on the war can sometimes be heard on Empire Bay's radio stations.
- The events of Joe's Adventures take place.
- Frankie Potts is killed by Eddie Scarpa.
- Vito Scaletta is released from prison.
- Billy Barnes is killed by Joe Barbaro.
- Vito, Joe, Marty and Steve kill a large number of Greasers at the Empire Bay Forge, nearly wiping out the gang.
- Luca Gurino is killed by Tony Balls at the Clemente Slaughterhouse.
- Vito and Joe become Made Men in the Falcone Crime Family.
- The 18th floor of the Empire Arms Hotel is blown up by Vito and Joe.
- Marty Santorelli is gunned down in the Empire Arms parking garage.
- Alberto Clemente is killed by Joe Barbaro.
- A hit contract on Leo Galante is put out by Eddie Scarpa, but Leo escapes to Lost Heaven with the help of Vito.
- Henry Tomasino joins the Falcone crime family.
- Henry, Vito, and Joe borrow $35,000 from Bruno Levine to purchase drugs from the Empire Bay Triads.
- Henry Tomasino is discovered to be a federal informant and subsequently killed in Lincoln Park by the Empire Bay Triads.
- Vito and Joe kill a significant number of Triads at the The Red Dragon restaurant in revenge over Henry's death.
- Triad enforcer Zhe Yun Wong is killed by Joe Barbaro in the Red Dragon restaurant.
- Tommy Angelo is killed by Joe Barbaro and Vito Scaletta.
- Derek Pappalardo and Steve Coyne are killed by Vito Scaletta after finding out they were responsible for his father's death.
- Leo Galante returns to Empire Bay to broker a peace deal with Mr. Chu, ending the war between the Vinci family and the Triads.
- Don Carlo Falcone is killed by Vito Scaletta.
- Joe Barbaro is taken to see Mr. Chu to answer for his actions against the Triads.
- Don Calò dies, aged 77.
- The Vietnam War begins.
- 13-year-old Lincoln Clay is homeless when Saint Michelle's Orphanage closes down.
- Sarah Burke dies on March 9.
- Fidel Castro overthrows President Fulgencio Batista, taking control of Cuba and seizing all American owned assets.
- Perla Robinson dies on December 29.
- Lucio Marcano is found dead with his throat slit.
- Martin Luther King Jr. is assassinated in Memphis, Tennessee.
- The Civil Rights Act of 1968 is signed by Lyndon B. Johnson.
- The U.S. Senate Select Committee on Intelligence holds hearings into Lincoln Clay's activities in New Bordeaux in 1968. At the end of the hearings, Senator Blake is murdered by John Donovan.
- Jonathan Maguire gets promoted to Assistant Director of the Criminal Enterprise Branch.