Conversation so far:
What was Eliot Spitzer's controversy about?
On March 10, 2008, The New York Times reported that Governor of New York Eliot Spitzer had patronized a prostitution ring.
Was Eliot Spitzer guilty of patronizing a prostitution ring?
Eliot Spitzer had at least seven or eight liaisons with women from the agency and paid more than $15,000.
Did Eliot Spitzer have to pay any fines for patronizing a prostitution ring?
The Department of Justice declined to prosecute Eliot Spitzer for violating the Mann Act.
Was Eliot Smith still popular after the prostitution scandal was over?
Republican Minority Leader James Tedisco and Republican New York Congressman Peter King separately called for Eliot Spitzer's resignation.

Question: When did he resign?
Self-contained rewrite: When did Eliot Spitzer resign from office?