2019

May 20: Yovanovitch recalled

U.S. Ambassador to Ukraine Marie Yovanovitch is prematurely recalled from the post by President Donald Trump.

Reasons for her removal appear to be...

Click here to for a more in-depth explanation.

June 18: DoD announces military aid for Ukraine

The Department of Defense (DoD) announces that it will provide $250 million in military aid to Ukraine.

The aid will be used for training and equipment.

Click here to read the DoD announcement.

July 3: Trump withholds military aid for Ukraine

Trump orders that military aid to Ukraine be withheld - a likely violation of the 1974 Impoundment Control Act.

July 10: Quid Pro Quo: White House visit for Zelensky

Ambassador to the European Union Gordon Sondland tells the Ukraine government that a White House visit by recently-elected Ukrainian President Volodymyr Zelensky is contingent on Zelensky announcing investigations into...

July 25: Call between Trump and Zelensky

President Trump has a phone conversation with Ukranian President Volodymyr Zelensky.

Current and former diplomats later would testify that, during the call, Trump threatened to withhold military aid to Ukraine unless Zelensky announced an investigation into Hunter Biden.

Trump also asks Zelensky to investigate a claim that Ukraine interfered in the 2016 election to benefit Democratic Candidate Hillary Clinton. This theory, however, has been completely debunked.

Earlier that day, Fox News reported a poll showing Joe Biden having the best chance to defeat Trump in the 2020 election.

For more, read the News in Five story.

Aug 12: Whistleblower

An intelligence community whistleblower files a complaint that, in the July 25 call, Trump pressured Ukrainian president Volodymyr Zelensky to help with his re-election campaign.

According to the complaint, Trump threatened to withhold almost $400 million in military aid from Ukraine unless Zelensky announced that Ukraine would investigate Trump's potential opponent in the 2020 presidential election.

The complaint was released to the public on Sept. 26.

For more, read the News in Five story.

Aug 28: Public informed the aid is being withheld.

First time the public is made aware that the aid to Ukraine is being withheld.

Sept 1: Quid Pro Quo: Ukrainian defense aid

Sondland tells Ukrainian government officials that military aid would be withheld unless Ukraine announces the investigations into election interference and Burisma's payments to Hunter Biden.

Sept 5: Connection between aid and demands reported

The public is informed of a possible link between the withheld aid and Trump's demands to Zelensky.

Sept 7: Trump tightens demand on Ukraine

Trump specifies that Zelensky himself must make the announcements that Ukraine will investigate Burisma's payments to Hunter Biden.

Sept 9: House investigation

The House Intelligence Committee takes closed-door depositions from current and former diplomats about Trump's interactions with Ukraine and whether they involved altering U.S. foreign policy toward Ukraine based on whether they would help Trump's 2020 presidential campaign.

Click here to read about each deposition.

Sept 11: Military aid restored

The Trump administration releases the military aid to Ukraine.

For more, read the Washington Post story.

Sept 24: Pelosi announces inquiry

House Speaker Nancy Pelosi announces a formal inquiry into whether President Trump should be impeached.

For more, read the News in Five story.

Sept 25: White House releases call summary

(Coming)

Sept 26: Whistleblower complaint released to public

The complaint filed by the whistleblower is made public.

For more, read the News in Five story.

Oct 8: WH counsel says Trump won't "participate"

White House counsel Pat Cipollone sends a letter to House Speaker Nancy Pelosi, stating that Trump would not honor subpoenas from the House Intelligence Committee for testimony and documents related to its impeachment inquiry.

Click here to read Cipollone's letter.

Oct 31: House passes resolution

The House of Representatives votes to formalize procedures for an impeachment inquiry into President Trump.

For more, read the News in Five story.

Nov 13 - Nov 21: Public hearings

The House Intelligence Committee holds public hearings - questioning current and former diplomats about Trump's interactions with Ukraine and whether they involved altering U.S. foreign policy toward Ukraine based on whether they would help Trump's 2020 presidential campaign.

Click here to read about each hearing.

Dec 1: WH counsel says Trump won't testify

White House counsel Pat Cipollone sends a letter to the House Judiciary Committee indicating that Trump will not testify in the committee's impeachment hearing.

Click here to read Cipollone's letter.

Dec 13: Judiciary committee passes impeachment articles

The House Judiciary Committee approves two articles of impeachment - one for Abuse of Power and one for Obstruction of Congress.

For more, read the News in Five story.

Dec 18: House votes to impeach Trump

The House of Representatives votes to impeach President Trump.

A separate vote was held for each article - Abuse of Power and Obstruction of Congress - previously approved by the Judiciary Committee.

For more, read the News in Five story.

2020

Jan 15: House sends impeachment articles to Senate

The House of Representatives votes to transmit articles of impeachment to the Senate, setting the stage for the trial to begin on Jan. 21.

Jan 21: Senate trial begins

(Coming)

Feb 5: Senate acquits Trump

The Senate acquits Trump of both impeachment charges.