Scott was nominated on the 53rd ballot, winning 159 votes.
At the Democratic Convention, he was nominated on the first ballot.
Obama was nominated on the first ballot, at the August convention.
Whitaker had been nominated on the first ballot on 26 February.
Stevenson gradually gained strength until he was nominated on the third ballot.
The delegates went wild and he was nominated by 946 to 147 on the first ballot.
He was nominated on the eighth ballot by 544 to 108 votes, winning the Republican presidential nomination.
Despite the unprecedented bid for a third term, Roosevelt was nominated on the first ballot.
He was nominated on the first ballot with 98% of the delegate vote.
Roosevelt was nominated unanimously on the first ballot with 994 votes.