Its organizer Amy Siskind said that members of Congress, and especially Nancy Pelosi, the Speaker of the House at the time, "need to feel the pressure to hold the Trump regime accountable.

"[1] Siskind, who is well known for publishing The Weekly List, an online chronicle of what she calls the "not normal" events happening under the Trump administration, came up with the idea for the march over the summer after realizing that there was "a broad sense of frustration" among voters following the midterm elections in November 2018.

"[2][3][4][5] While the march had a broad mission statement, participants organized around a number of specific issues, including gun legislation and calls for the impeachment of President Donald Trump.

[6] The march took place just three days before then–House Speaker Nancy Pelosi announced the opening of an impeachment inquiry against Donald Trump.

[8][7][9] Sixty-five other solidarity marches took place on the same day across the U.S.[6] In addition to Washington, D.C., activities were planned in the following cities: