Year | Date | Event
2015 | April 8 | Rise in Russian cyberattacks.
2015 | Unknown date in June | Russians set up social media trolling operation.
2015 | June 16 | Trump announces candidacy for president.
2015 | Aug. 4 | FBI begins Clinton email investigation.
2015 | September | FBI aware of Russian hack of DNC.
2016 | Feb. 1 | Iowa Caucuses begin 2016 election cycle.
2016 | May 26 | Trump clinches the GOP nomination for president.
2016 |
June or July, dates unknown
|
According to an indictment, Stone informs the Trump campaign about possible Wikileaks release of damaging Clinton documents.
2016 | June 14 | DNC announces it was hacked.
2016 | July 5 | Comey closes Clinton email investigation.
2016 |
July 11
|
Trump campaign helps change GOP platform on Ukraine/Russia
.
2016 | July 15 | Trump chooses Pence as VP.
2016 | July 18 - 21 | GOP Convention
2016 |
July 22
|
Wikileaks releases 20,000 DNC emails.
2016 | July 24 | DNC chairwoman Debbie Wasserman Schultz resigns.
2016 | July 25 | FBI begins investigation of DNC hack.
2016 | July 25 to 28 | Democratic National Convention.
2018 |
Aug. unknown date
|
Alleged Russian operative Maria Butina (re)enters the United States on a student visa, according to DOJ indictiment.
2016 | Aug. 19 | Manafort leaves Trump's campaign.
2016 | Sept. 5 | President Obama tells Putin to stop hacking.
2016 | Sept. 26 | First presidential debate
2016 | Oct. 7 | "Access Hollywood tape revealed.
2016 | Oct. 9 | Second presidential debate brings up hacking.
2016 | Oct. 19 | Third presidential debate
2016 | Oct. 31 | White House red phones another warning to Russia.
2016 | Nov. 8 | Trump is elected president
2016 | Dec. 29 | U.S. announces new Russia sanctions.
2016 | Dec. 30 | Russia says it will not retaliate for sanctions.
2017 | Jan. 20 | Trump becomes president.
2017 | Feb. 14 | New York Times, CNN report Trump aides communicated with Russians during campaign.
2017 | May 9 | Trump fires Comey.
2017 | May 11 | Trump suggests Comey firing was related to Russia probe.
2017 | May 17 | Bob Mueller named special counsel, takes over FBI's Russia investigation.
2017 | June 1 | Putin denies role in U.S. elections.
2017 |
July 8
|
NYT first reports Donald Trump Jr. 2016 meeting with Russian lawyer.
2017 |
July 11
|
Donald Trump Jr. releases emails about meeting with Russian lawyer after offer of anti-Hillary Clinton material.
2017 | July 27 | U.S. Senate sends new Russia sanctions to Trump's desk.
2017 | July 28 | Russia reacts to sanctions bill, expelling U.S. diplomats.
2017 | Aug. 2 | Trump signs new sanctions against Russia, but says bill is "flawed."
2018 | March 18 | Putin elected to six more years in office.
2018 | April 6 | U.S. issues new sanctions against Russian oligarchs, including Oleg Deripaska.
2018 | June11 | U.S. issues new sanctions against a handful of Russian companies and individuals for cyberattacks on U.S. energy and other interests.
2018 | July 16 | At summit, Putin denies Russian election meddling. Trump says "I don't see any reason why" Russia would interfere.
2018 | July 19 | Trump asks National Security Advisor John Bolton to invite Putin to the U.S. this fall.
2018 | July 25 | Bolton says Putin's U.S. trip is postponed to 2019 because president believes it "should take place after the Russia witch hunt is over."