Conversation so far:
Who was the Boss of Jersey City for Frank Hague?
After taking office as mayor, Frank Hague wrested control of the Hudson County Democratic Party, allowing him significant influence. He built the organization into a powerful political machines.
When did Hague become Boss of Jersey City?
May 11, 1917, Frank Hague was chosen as the new mayor.
Are there any other interesting aspects about the Frank Hague article?
Frank Hague himself became very wealthy, owning a $125,000 summer home in Deal, living in a large apartment in the best building in the city.
How did Hague change the government in Jersey City?
Control of the Hudson County Democratic Party from Wittpenn allowed him to significantly influence the makeup of the commission in this overwhelmingly Democratic city.
What other politicians did Frank Hague help besides Jersey City commissioners?
In the 1919 gubernatorial election, Frank Hague aggressively campaigned for Senator Edwards. Edwards carried Hudson County, winning the election. Hague proclaimed himself leader of the New Jersey Democratic Party.

Question: How long was he the leader of the NJ Democrats?
Self-contained rewrite: How long was Hague the leader of the NJ Democrats?