Sources: CNN
The U.S. House of Representatives votes 222–190 to establish a committee to investigate the January 6 riot at the United States Capitol, with Liz Cheney (WY-1) and Adam Kinzinger (IL-16) being the only two Republicans to vote for the committee. 2021-06-30
The United States Senate votes on whether to acquit U.S. President Donald Trump. By a vote of 52–48 almost entirely along party lines, the Republican-majority Senate acquits Trump on the first article of impeachment, abuse of power, and acquits him on the second charge, obstruction of Congress, in a separate 53–47 vote. Utah Senator Mitt Romney casts the sole Republican guilty vote, against party lines, on the first article. 2020-02-5
Voters in Guam, Washington, D.C. and Wyoming head to the polls to vote in Republican Party caucuses, while Democratic Party members vote in the Northern Mariana Islands caucus. 2016-03-12
Four third-party U.S. presidential election candidates—representing the Libertarian, Green, Constitution, and Justice parties, who were excluded from the high-profile televised encounters between Mitt Romney or Barack Obama—attend their own presidential debate hosted in Chicago by the Free and Equal Elections Foundation, which hopes for a more transparent and open electoral system. Romney (with the Republican Party) and Obama (with the Democratic Party) refuse invitations to attend the debate, televised on international news channels but on no major U.S. network. 2012-10-23
The United States Republican Party officially nominates Mitt Romney as its candidate in the 2012 presidential election at the National Convention in Tampa, Florida. 2012-08-28
Voters in the US state of Texas go to the polls for primary elections, with Mitt Romney securing the Republican nomination in the Republican primary. 2012-05-29
Republican voters in the US state of Washington go to the polls for caucuses, with Mitt Romney winning. 2012-03-3
Republican Party voters in Colorado participate in caucuses with 36 delegates at stake - Santorum wins, with Mitt Romney placing second. 2012-02-7
Republican Party voters gather in Nevada for the party caucuses with Mitt Romney projected as the winner. 2012-02-4
The Republican Party wins six gubernatorial elections including Pennsylvania, Michigan, Tennessee, Kansas, Oklahoma and Wyoming. 2010-11-2