Conversation so far:
How did William H. Seward campaign for Abraham Lincoln?
Seward was urged to undertake a campaign tour of the Midwest in support of Lincoln and did so for five weeks in September and October, attracting huge crowds.
Did the 1860 presidential election get thrown into the House of Representatives because of an electoral vote deadlock?
On Election Day, Lincoln carried most Northern states and became president.

Question: when was lincoln elected?
Self-contained rewrite: When was Abraham Lincoln elected president?