The Whigs opened their two day national convention. It nominated Millard Fillmore and Andrew J. Donelson as candidates for president and vice-president, thereby endorsing the earlier named American Party ticket. (By John Osborne)
Violence broke out on the streets of Baltimore between Fillmore supporters and Democrats. Shots were fired and two men were killed and others wounded. The Whig National Convention was due to be held there within the week. (By John Osborne)
John White Geary of Pennsylvania takes up his duties as Kansas territorial governor at Lecompton. In his first address he disbands the existing armed groups in the territory and calls for the enlistment of a new militia. (By John Osborne)