Primary election
election that narrows the field of candidates before an election for office
1996 Democratic Party presidential primaries
2000 Democratic Party presidential primaries
2019 Democratic Party (Italy) leadership election
Uruguayan presidential primaries, 2019
2020 California Democratic primary
nonpartisan blanket primary
1912 Republican Party presidential primaries
1940 Republican Party presidential primaries
1944 Republican Party presidential primaries
1948 Republican Party presidential primaries
1952 Republican Party presidential primaries
1956 Republican Party presidential primaries
1964 Republican Party presidential primaries
1960 Republican Party presidential primaries
Republican Party presidential primaries, 1972
1968 Republican Party presidential primaries
1976 Republican Party presidential primaries
1980 Republican Party presidential primaries
1984 Republican Party presidential primaries
1988 Republican Party presidential primaries
1992 Republican Party presidential primaries
2000 Republican Party presidential primaries
2004 Republican Party presidential primaries
2012 Iowa Democratic presidential caucuses
2004 Democratic Party presidential primaries
Super Tuesday
2020 Colorado Republican primary
2020 Massachusetts Republican primary
2020 Michigan Republican primary
2020 Missouri Republican primary
2020 Florida Republican primary
2004 Oregon Democratic primary
2008 Democratic Party presidential primaries
2012 Republican Party presidential primaries
2020 Illinois Republican presidential primary
2020 Oklahoma Republican presidential primary
2020 Puerto Rico Democratic presidential primary
2020 Tennessee Republican presidential primary
2020 Washington Republican presidential primary
2020 District of Columbia Republican presidential primary