Dashed left edge = started before December 1820 ·
Dashed right edge = ongoing beyond December 1820
Events in December 1820 1
1820James Monroe re-elected virtually unopposedSecond US president, after Washington, to face no real oppositionMonroe won a near-unanimous electoral college victory in 1820, reflecting the collapse of organized party opposition during the so-called Era of Good Feelings. One elector reportedly withheld a vote so that Washington would remain the only unanimous choice.