June 20: The dossier is first dated June 20 and had contained several unverifiable periodic reports made over the summer, according to Mother Jones. It was sent in dated sections from a former Western intelligence officer to the FBI and alleged Russia had enough to blackmail Trump.
It alleged that Trump had been cultivated by Russian officials ‘for at least five years.’ It also claimed that the Kremlin had compromising material related to ‘sexually perverted acts’ Trump performed at a Moscow Ritz Carlton where former President Barack Obama once stayed.
Dossier also alleged that Trump’s inner circle was accepting a regular flow of intelligence from the Kremlin on Hillary Clinton.
July 27: Trump asks Russian hackers to find Clinton’s 30,000 emails during a press conference.
July 31: Kremlin weighing whether to release more information about Clinton.
Late July: The FBI opens its investigation into Russia’s interference in the election, and the Trump campaign’s possible role in it.
August 27: Then-U.S. Sen. Harry Reid sent a letter to then-FBI Director James Comey and called for a full investigation and public disclosure. He wrote: ‘The evidence of a direct connection between the Russian government and Donald Trump’s presidential campaign continues to mount and has led Michael Morrell, the former Acting Central Intelligence Director, to call Trump an ‘unwitting agent’ of Russia and the Kremlin.’
September 23: U.S. intelligence officials began investigating links between Trump adviser Carter Page and the Russian government, Yahoo News reported. Page had extensive business links in Russia and is a former Merrill Lynch investment banker in Moscow.
October 7: The Obama administration publicly accuses Russia of ‘directing the recent compromises of e-mails from U.S. persons and institutions, including from U.S. political organizations’ to affect the US election.
October 30: Reid sent Comey another letter demanding that Trump’s possible ties to Russia be fully investigated and he cited the existence of ‘explosive information’ that the FBI has in its possession.
November 3, 2016: Russian oligarch Dmitry Rybolovlev flies into Charlotte, North Carolina on a private plane. Trump’s plane lands on the tarmac not long after and parks next to Rybolovlev, whose plane stays in Charlotte for 22 hours afterward. Trump rallies in nearby city Concord.
November 8: Trump wins the election to become the 45th president of the United States.
November 10: President Barack Obama warns Trump during a meeting at the White House that national security advisor Michael Flynn, a former U.S. Army lieutenant general and Defense Intelligence Agency chief, is a problem.
November 18: During a security meeting in Halifax, Nova Scotia, Sen. John McCain hears about the documents and dispatches a former US official to meet the source of the documents and gather more information.
December 9: McCain meets Comey gives the FBI director the documents, The Guardian reported.
December 13: This is the last date of the memos from the dossier written by the British source.
December 29: The Obama administration issues new sanctions on Russia in retaliation for Russia’s hacking of the Democratic National Committee in the summer and other efforts to interfere with the U.S. election.
January 10: Obama and Trump were both given a two-page summary of the dossier, CNN reported. BuzzFeed News then reported on the dossier and published it in full about how it alleges Trump’s deep ties with Russia.
January 19: The New York Times reported that ‘intercepted communications’ between Trump associates and Russians are being investigated as part of the FBI’s inquiry into Russia’s election meddling.
January 27: Trump’s lawyer, Michael Cohen, holds a meeting with Russian-American businessman Felix Sater and Ukrainian lawmaker Andrii Artemenko to discuss a backchannel ‘peace plan’ for Russia and Ukraine.
February 13: Flynn resigns as national security adviser after reports emerge that he misled Vice President Mike Pence.
March 2: Attorney General Jeff Sessions recuses himself from the investigation into whether the Trump campaign communicated with Russia.
March 4: Without presenting evidence, Trump tweets that Obama had Trump Tower’s ‘wires tapped’ during the presidential campaign.
March 15: Rep. Devin Nunes, the chairman of the House Intelligence Committee, announced that the committee had not found any evidence to support Trump’s wiretapping claim.
March 20: Comey said he has ‘no evidence’ to support Trump’s wiretapping claim. He confirmed that an investigation into Russia’s election-related meddling includes an examination of contacts between Trump associates and Russia during the campaign.
Late March: Flynn asks for immunity in exchange for testifying to the House and intelligence committees investigating Russia’s involvement in the 2016 election.
April 1: Trump tweets: ‘It is the same Fake News Media that said there is “no path to victory for Trump” that is now pushing the phony Russia story. A total scam!’
April 3: Trump calls Putin to condemn a Saint Petersburg, Russia terrorist attack.
April 6: Nunes steps aside from the Russia investigation, because he himself is under investigation.
April 11: Page is now under investigation by the FBI who obtained court permission to monitor his communications. The U.S. believed he was acting as a Russian agent.
April 27: The Pentagon inspector general is investigating whether Flynn violated military rules by accepting foreign payments from Russia and Turkey, which is disclosed by a House committee.
May 8: Trump tweets ‘Russia-Trump collusion story is a total hoax’.
May 9: The president fires Comey from his position at the FBI.
May 10: Trump meets with Russian Foreign Minister Sergey Lavrov and Russian Ambassador Sergey Kislyak at the White House.
May 15: The Washington Post reported that Trump shared highly classified information about Islamic State with the Russian diplomats during a meeting the previous week.
May 17: Former FBI Director Robert S. Mueller III is appointed the special counsel to take over the Justice Department’s Russia investigation.
Late May: Trump’s son-in-law Jared Kushner is revealed to be under investigation by the FBI. According to the Post, he proposed a private back channel between the Kremlin and Trump’s transition team during a meeting in December.
June 8: Comey testifies before the Senate Intelligence Committee and answers questions related to Russia meddling into the U.S. election.
June 13: Sessions denies colluding with Russia during Senate testimony.
June 14: The Washington Post reported that Trump is being investigated for possible obstruction of justice by Mueller.
September: Several news outlets, including POLITICO and Buzzfeed, are suing under the Freedom of Information Act to get records about how the federal government tried to vet the claims in the dossier.
October 24: It’s revealed that Hillary Clinton’s campaign and the Democratic National Committee helped bankroll research that led to the ‘golden showers’ dossier on Donald Trump. Clinton’s campaign lawyer Marc Elias hired research firm Fusion GPS back in April 2016 to look into allegations of Trump’s ties to Russia, according to the Washington Post.