The 18th Amendment goes into effect, starting Prohibition and leading to the rise of illegal alcohol trade, an important backdrop for Boardwalk Empire.
The U.S. government establishes the Bureau of Prohibition to enforce the new laws against alcohol manufacture and sale, impacting the criminal enterprises depicted in Boardwalk Empire.
Atlantic City becomes a hotspot for illegal gambling, bootlegging, and political corruption, setting the scene for the events and characters in Boardwalk Empire.
Al Capone becomes one of the most notorious gangsters of the Prohibition era, influencing the organized crime activities shown in Boardwalk Empire.
Prohibition ends with the repeal of the 18th Amendment, changing the dynamics of organized crime and politics as portrayed in Boardwalk Empire.
The start of the Prohibition era, marking the beginning of Enoch 'Nucky' Thompson's rise in Atlantic City's political and criminal landscape.
Nucky Thompson is appointed as Treasurer of Atlantic County, solidifying his political power.
Nucky forms a mentorship and partnership with World War I veteran Jimmy Darmody, grooming him for future leadership.
Nucky expands his bootlegging empire, controlling illegal alcohol distribution in Atlantic City.
Tensions rise between Nucky and New York gangster Arnold Rothstein over control of the bootlegging trade.
Jimmy Darmody secretly conspires against Nucky, leading to a power struggle within Atlantic City.
Nucky is arrested for tax evasion but manages to avoid conviction through political influence and legal maneuvering.
A violent gang war erupts in Atlantic City involving various factions vying for control after Jimmy's rebellion.
Nucky strengthens ties with Chalky White, leader of the African American community and rum-running operations.
Jimmy Darmody is killed, ending his challenge to Nucky's control over Atlantic City.
Nucky forms alliances with Chicago gangsters to expand his bootlegging network beyond Atlantic City.
Nucky's relationships with various women cause both personal and political complications.
Nucky loses his political and criminal power after multiple betrayals and legal battles.
