https://www.whitehouse.gov/wp-content/uploads/2019/09/Unclassified09.2019.pdf
Midway through page 2, second message by Trump, he establishes that the US does more to help Ukraine than Germany. More than any of the other European countries.
Zelensky's response is to agree and continue to praise the President for his help. Reinforcing the fact that the Ukraine needs continued support with the US.
Page 3, Trump "moves on him like a b**ch" and asks Zelenksy to "do him a favor, though." First trying to see if the Ukraine company crowdstrike has the DNC server. Then insisting Zelensky cooperate in Giuliani and Barr's investigation into Biden.
Not Burisma, not the Prosecutor or why he was removed, but Biden and his son specifically.
The testimonies further expanding that aid from Ukraine had been withheld prior to the phone call.
July 3rd, Lt. Vindman, a national security official working at the White House, becomes aware that the military aid has been held up. He testified that he received a notice from the State Department. “That’s when I was concretely made aware of the fact there was a hold placed,” he said in testimony to lawmakers.
July 11th, a secure call with national security officials, a staff member of the White House Office of Management and Budget announces there’s a freeze on Ukraine aid until further notice, based on a presidential order to the budget office.
July 25th, Trump's phone call with Zelensky.
By August Ukraine becomes aware of the withheld aid, but they may have known up to a week prior if not the day of the phone call with Trump.
August 12th, the Whistleblower complaint is filed on the details concerning the phone call and the withheld aid.
September 9th, House investigations begin into Trump, his personal lawyer Rudy Giuliani, and possibly others, to see if they tried to pressure the Ukrainian government to help the president’s reelection campaign by digging up dirt on a political rival.
September 11th, the aid is released!
September 13th, an interview on CNN with Zelensky in which he would make a public statement on the investigations that Trump was pushing for is cancelled.