April/May – Trump, via Rudy Giuliani, applies pressure on Ukraine to announce investigations tied to Joe Biden and his son Hunter.
May 7th – Ukrainian president-elect, Volodymyr Zelenskiy, meets with subordinates to discuss how to stay out of it.
July 10th – Trump emissaries ask top Ukrainian officials to investigate Biden. Multiple accounts state that after ambassador Gordon Sondland made the Biden ask, the then-national security adviser John Bolton abruptly terminated the meeting.
Mid- July – Office of Management of the Budget informs the Pentagon and state department that Trump has suspended $391 million in military aid for Ukraine.
July 25th – Trump speaks on the phone with Zelenskiy, reminding him “the United States has been very, very good to Ukraine,” and then asks for a “favor”. Trump wants Ukraine to announce investigations that will damage Biden’s reputation and cast doubt on the possibility of Russian interference in the 2016 election.
Early August – Ukrainian officials made aware of the suspension of military aid from the United States, intended to help them fight off Russian forces
August 12th – Whistleblower complaint is secretly filed to the office of the inspector general of the intelligence community. The Trump administration will proceed to block access to the complaint by Congress for six weeks.
September 1st – Sondland tells Zelenskiy assistant Andriy Yermak “that the security assistance money would not come until President Zelenskiy committed to pursue the Burisma investigation.” Burisma is a gas company that employed Hunter Biden.
September 9th – Ambassador Gordon Sondland is texted “As I said on the phone, I think it’s crazy to withhold security assistance for help with a political campaign,” by Bill Taylor.
September 11th – Military aid for Ukraine is released.
September 24th – Nancy Pelosi announces a formal impeachment inquiry, accusing Donald Trump of “a betrayal of his office, a betrayal of our national security and betrayal of the integrity of our elections.”
September 25th – The White House releases a partial transcript of the call on July 25th, hours before a face-to-face meeting between Zelenskiy and Trump at the United Nations.
September 26th – The whistleblower complaint is released, citing more than six U.S. officials, presenting an accurate version of the Trump-Zelenskiy call, along with an allegation that the White House attempted to cover up the call.
October 4th – Kurt Volker, Trump’s former envoy to Ukraine, testifies. Investigators release WhatsApp messages showing U.S. diplomats pursuing a “deliverable” for Trump in Ukraine in the form of Biden and 2016 election tampering “investigations”.
October 8th – White House releases a letter refusing to cooperate with the impeachment inquiry, accusing Democrats of trying to reverse the 2016 election.
October 14th – Fiona Hill, senior director for Europe and Russia in the National Security Council (NSC), testifies. She describes a shadow foreign policy in Ukraine run by Giuliani, and describes the July 10th White House meeting, which she had attended. She also states that Bolton told her to take her concerns to the top NSC lawyer.
October 17th – Gordon Sondland testifies. He states that he took Trump’s word that there was no quid pro quo with Ukraine. Later, he returns to Capitol Hill to partially or fully reverse that testimony.
October 22nd – William “Bill” Taylor testifies. In a 15-page statement, he describes his concern to discover an “irregular, informal policy channel” by which the Trump administration was pursuing goals in Ukraine “running contrary to the goal of longstanding U.S. policy”.
October 29th – Alexander Vindman testifies. He is the top Ukraine expert on the NSC, and describes his alarm at witnessing the White House subvert foreign policy in favor of Trump’s domestic political agenda. He took his concerns to the top NSC lawyer.
October 31st – The House of Representatives votes on a resolution laying out a process to move impeachment from closed-door depositions to open hearings. Tim Morrison, senior director of affairs at the NSC, testifies a day after announcing he would resign his post shortly.
November 4th – Sondland clarifies his testimony to acknowledge that he communicated the quid pro quo to Ukraine on July 10th, but says he was acting on orders on what he presumed to be the case rather than an order from Trump.
November 8th – John Bolton’s lawyer tells Congress that his client was “part of many relevant meetings and conversations” pertaining to the impeachment inquiry that are not yet public, but reinforces that Bolton will only appear if ordered by a judge.
For a more complete timeline, and live updates, search up “Trump Impeachment Updates”, and view any of the links and sources. The news networks, especially CNN, do a good job covering the topic.
By Elliot Weix