New York City's 100th Mayor
Updated February 23, 2017 | Factmonster Staff
![Updated by an Factmonster Editor on February 23, 2017](/themes/ip/images/info-circle.png)
The Question:
When was William O'Dwyer mayor of New York City?
The Answer:
William O'Dwyer was the city's 100th mayor. He served from 1946-50. For more information, check out this page, an official site of New York City.
-The Fact Monster
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