This four-minute video shows students how the Anti-Masonic Party pioneered the political party convention as a means of nominating presidential candidates. An engaging illustration of the democratizing political trends of the 1820s and 1830s, the video explores the populist impulses that animated the Anti-Masonic Party, and how its anti-establishment ideology, combined with political necessity, led to its rejection of the congressional nominating caucus and its embrace of participatory party conventions. Useful for lessons focused on the expansion of the franchise during the 1820s and 30s, the video also helps students see the connection between the anti-establishment politics of the past and the present.