Marco Rubio brought us to this.

The long slog to Tuesday’s primary election for Democratic and Republican gubernatorial candidates was the usual series of false starts, histrionics, re-inventions, pandering to bases, and — new this time — dealing with the shadow of Donald J. Trump.

But if one could pick a starting point for the trail that led us here, it would have to be the Republican Rubio’s June 2016 decision to end his quest for the presidency, and re-enter the U.S. Senate race.

That was the political big bang that set into motion the forces and decisions — starting with Ron DeSantis’ exit from that same Senate race — shaping Election 2018 for the person to succeed the two-term Rick Scott, 45th governor of the Sunshine State.

Before the big show starts tomorrow at 7 a.m. Eastern time, let’s revisit the key moments that went from a small singularity to the current universe we call “Florida politics”:

June 13, 2016: Rubio decides to re-enter U.S. Senate race

After a bruising fight for the GOP nomination for president, Rubio said he wouldn’t go back to trying to get reelected to his Senate seat. But of course, his senses kicked in, and he did, announcing that decision on June 22. That essentially squeezed out DeSantis, the congressman who very well could win the GOP gubernatorial contest. Rubio went on to crush Scott ally Carlos Beruff in the GOP primary and edge out Democrat Patrick Murphy in the general election. “Gee,” we know some of you thought at the time. “Wonder what DeSantis’ political future holds now?”

Dec. 22, 2016: Will Weatherford decides not to run

In late 2014, as both men were leaving their leadership roles, Senate President Don Gaetz told the Tampa Tribune that then-House Speaker Weatherford “is the future of Florida.” He said he expected “to host a fundraiser for Will Weatherford for Governor or U.S. Senator sometime in the next five years. He will be, if he wants to be, very significant on the Florida political landscape for the next 30 years.” “If he wants to be” turned out to be prescient. Weatherford, citing his family and Weatherford Partners, the venture capital group he created with his brothers, declines to run for Governor in 2018.

Jan. 20, 2017: Donald Trump is inaugurated

The president goes on to become the biggest force in this state’s GOP primary, bar none. His kingmaking ability, which had faltered in Alabama’s U.S. Senate race, works in shovelsful here, as we’ll see.

April 13, 2017: Gwen Graham’s husband’s cancer goes into remission

Had Steve Hurm’s cancer not gone into remission, we would not now be talking about former Congresswoman Graham’s campaign for Governor. Indeed, Hurm’s fight against prostate cancer “was a factor in her decision on whether to run for governor,” WCTV later reported. “Graham … said her husband is one of her biggest supporters and did not want her to make the decision based on him.” But she did, and here we are. She entered the race May 2, becoming the first major-party woman candidate.

May 7, 2017: George Soros gets behind Andrew Gillum

Readers of conservative journal Human Events once voted billionaire financier Soros “the single most destructive leftist demagogue in the country.” Soros, who fled Nazi Germany–occupied Hungary as a youth, also has been described by the Tampa Bay Times as a “liberal mega-donor and bogeyman to conservatives.” He gave $250,000 to Forward Florida, the Gillum-associated political committee, in April. He later went on to pump hundreds of thousands more to Gillum’s electoral benefit.

June 22, 2017: The FBI’s subpoena in a Tallahassee corruption investigation drops

Gillum, the city’s Mayor, never really recovers. “Federal authorities have demanded the city of Tallahassee produce volumes of records related to top local developers behind some of the biggest projects subsidized by the Community Redevelopment Agency,” the Tallahassee Democrat reports at the time. “Among those named in the subpoenas are Adam Corey, developer of the city-backed Edison restaurant in Cascades Park and a former campaign treasurer for Gillum.” It’s bad … but Gillum later says the FBI told him he’s not a target. Still, the association with Corey lingers, and other revelations continue, including a Costa Rica trip.

July 25, 2017: Adam Putnam’s “NRA sellout” tweet

Putnam went all-in for gun rights, saying guns should be allowed on college campuses and hinting it was time to look at once again allowing open carry in the state. After a Times columnist panned the speech with the headline, “Adam Putnam sells out to the NRA,” Putnam tweeted, “The liberal media recently called me a sellout to the NRA. I’m a proud #NRASellout!” As Commissioner of Agriculture and Consumer Services, he oversees concealed carry licensing. (That comes up later in the story.)

Oct. 10, 2017: Philip Levine sets up shop

The Miami Beach Mayor “hired a veteran fundraiser for his political committee, which he already stuffed with nearly $5 million since establishing it six months ago,” POLITICO reported. We learn that “veteran Democratic fundraiser Courtney Whitney” has joined his All About Florida political committee. Levine says he “intends to make an official decision on whether to join the crowded Democratic primary for Governor in 2018.” He, of course, gets in.

Nov. 3, 2017: POLITICO Florida reports on Jack Latvala sexual misconduct allegations

This story was the beginning of the end for the Clearwater Republican, who had risen to Appropriations chairman after an unsuccessful run at the state Senate presidency. He later declared he would run for Governor. Then the website drops the bomb that “six women who work in Florida’s Capitol say … Latvala has inappropriately touched them without their consent or uttered demeaning remarks about their bodies.” It was “so disgusting, and I had to just stand there, over and over again when he would do this, squeezing me hard and grunting in my ear,” one woman said. Latvala eventually resigned, suspended his campaign and escaped prosecution after Tallahassee’s top prosecutor said he wouldn’t pursue him criminally.

Nov. 24, 2017: Orlando businessman & lawyer John Morgan takes himself out of contention

Everyone had feared the native Kentuckian’s charisma, down-home appeal, and — perhaps most of all — his ability to self-fund. Then he tweeted, “While it’s amazing to be leading the polls for Governor without being a candidate I can’t muster the enthusiasm to run for the nomination.” Good thing, too, for the other Democrats: “His name recognition alone, built through years of TV ads throughout Florida, would have cost every other candidate tens of millions of dollars to achieve,” the Times explained. (And they’re right.)

Dec. 22, 2017: The first Trump tweet for DeSantis

“Congressman Ron DeSantis is a brilliant young leader, Yale and then Harvard Law, who would make a GREAT Governor of Florida. He loves our Country and is a true FIGHTER!” … Not quite a full endorsement, but that was simply yet to come.

Jan. 30, 2018: The 50th Graham workday, a hallmark of her campaign

Graham posts on Twitter: “On my 50th Graham Workday, I spoke with Dad (former Gov. and U.S. Sen. Bob Graham) about the meaning of our family tradition and what he learned working 408 different jobs with Floridians across the state.” Graham herself spent that day “learning the ins and outs of a Florida microbrewery (at) the M.I.A. Beer Company in Doral.” This only helped burnish the Graham brand.

Feb. 14, 2018: The Parkland shooting

A teenaged former student gunned down 17 students and staff at Marjory Stoneman Douglas High School in Parkland, Broward County. The politics of gun control spiked yet again as a “student-led campaign organizes two mass walkouts from schools and country-wide demonstrations, (while) Trump and Mike Pence, the vice president, appear at the National Rifle Association’s annual convention in Dallas,” The Economist later reports. A “Rally to Tally” later sees nearly two dozen buses bringing parents, teachers, and students to the Capitol to demand action from lawmakers on the day a gun bill would be heard.

Feb. 14, 2018: Richard Corcoran, Gillum debate on immigration

The House Speaker, a Land O’ Lakes Republican, and Gillum squared off over the “tired, (the) poor, (the) huddled masses yearning to breathe free …” The debate “was sparked by Corcoran’s anti-sanctuary cities ad and House Bill 9, which is legislation Corcoran is pushing to eliminate sanctuary cities in Florida,” WTXL explained. The event was moderated by Troy Kinsey of BayNews 9 and Gary Fineout of the Associated Press.

April 18, 2018: The first Democratic gubernatorial candidates’ debate

It was a lackluster performance all around, with some on the stage “stumbling on basic questions regarding some aspects of state government,” the USA Today Network-Florida reported. Graham scored with her “Gwen and the men” line, but she and the others flunked when asked about their morning reading habits. Not one mentioned SUNBURN, POLITICO Playbook, the Tampa Bay Times — the largest circulation newspaper in the state — or any state-centric news source. The GOP soon smelled blood.

May 9, 2018: Corcoran drops out, endorses Putnam

Corcoran, who had been expected to enter the Governor’s race, instead got behind Putnam. Term-limited in the House, he framed his decision to stay off the ballot as sticking to his word. He told news media repeatedly that he would run for Governor or otherwise “go home.” “I’m proud to say that decision is, thoroughly, we’re going home,” Corcoran said, before getting in a dig at DeSantis: “He’s got a bulldog mouth, a chihuahua a —, and he doesn’t even know what the heck is going on in this state. Trump, Trump, Trump, Trump, that’s the only thing he can say. At some point, you’ve got to come out and give people a Florida vision.”

June 4, 2018: Billionaire Jeff Greene enters race

The über-rich Palm Beach real estate investor, who had previously told the Post he was “underwhelmed by the Democratic field,” files to enter the race as a “D” himself. That’s after “Greene spent about $24 million of his own money on a losing 2010 U.S. Senate bid, getting 31 percent in a Democratic primary against former U.S. Rep. Kendrick Meek.” The idea, insiders say, is that he won’t throw good money after bad: He’s in it to win it.

June 7, 2018: Patrick Murphy decides against running

Murphy gets behind Graham, “ending speculation he’d run on a bipartisan ticket with former Republican U.S. Rep. David Jolly,” according to TCPalm. Murphy says “he hasn’t decided whether he’d accept a position as Graham’s running mate, if she offered him a shot at Lieutenant Governor. (He) said he (was) worried over mounting such a late campaign in an already crowded primary. ‘I was always, I guess, on hesitant footing to do this, and it was always going to take quite a bit to get me over that hump to do it.’ ” Nice timing: The next day, the Florida Education Association, the statewide teachers’ union, endorses Graham.

June 8, 2018: The concealed weapons permitting scandal breaks

The Times’ Steve Contorno reports that “for more than a year, (Putnam’s gun-licensing division) failed to review national background checks on tens of thousands of applications for concealed weapons permits … The employee in charge of the background checks could not log into the system, the investigator learned.” Putnam later said applications were still run through two other databases: “When we became aware of the problem, we undertook the process of reviewing 365 names … and ultimately revoking 291 licenses.” Other stories continued to dribble out about problems at his Licensing Division over the summer, causing headaches for Putnam and staff.

June 22, 2018: Trump’s full-throated endorsement of DeSantis.

Tweet: “Congressman Ron DeSantis, a top student at Yale and Harvard Law School, is running for Governor of the Great State of Florida. Ron is strong on Borders, tough on Crime & big on Cutting Taxes — Loves our Military & our Vets. He will be a Great Governor & has my full Endorsement!” … Whoomp, there it is.

June 28, 2018: The Fox News debate

As the network described it, Putnam and DeSantis “sparred … over their support for President Trump … DeSantis championed his relationship with the president, and Putnam argued he’s more focused on local issues than his opponent … Putnam said in his opening remarks, ‘It’s different than a Washington, D.C., studio. Welcome to Florida, congressman.’ DeSantis played up Trump’s endorsement … ‘I am proud to have the endorsement of President Trump in this race.’ ”

June 29, 2018: Gillum gets ‘Next Gen’ support

Gillum gets to boast of the support of a second billionaire after Soros with Tom Steyer‘s NextGen America announcing its “investment” of $1 million into his bid for governor. Mo’ money, indeed.

July 19, 2018: Tampa Bay-area “Stand Your Ground” case becomes an issue

The shooting death of Markeis McGlockton, 28, by Michael Drejka, 47, happens in a convenience store parking lot in Clearwater after the two men get in a confrontation over McGlockton’s girlfriend parking in a handicapped spot. The county sheriff initially declines to file charges, saying Drejka is protected by the state’s “Stand Your Ground” provision of self-defense law. Democrats seize on the shooting to say the state law “incentivizes” violence. Republicans back the law and use the incident to show how 2nd Amendment rights could be threatened.

July 31, 2018: Trump campaigns for DeSantis

The Times tops itself with this lede: “Declaring himself the most popular Republican in the history of America, President Donald Trump revved up thousands of fans Tuesday night at a rowdy Tampa Bay campaign rally to help gubernatorial candidate Ron DeSantis and, above all, celebrate Donald Trump … ‘(W)e need to elect Ron DeSantis … He’s going to be an incredible governor. I have no doubt, no doubt. I don’t do these endorsements easily.’ ”

Aug. 2, 2018: The final Democratic debate

Anyone hoping Florida’s five Democratic candidates for Governor would break new ground in the final debate left disappointed. On stage, each candidate mainly stuck to the standards, with only a couple of questions eliciting any form of surprise. The five contenders pulled more punches than in previous debates, with just a few recycled squabbles — mostly centering on Graham’s record as a moderate member of Congress. The political class hit their collective snooze button.

Aug. 23, 2018: Jeff Greene “goes dark”

Greene, after barreling into the race in early June and becoming omnipresent on TV through much of the summer, stepped out of the spotlight for the final push. The campaign essentially went dark publicly, with six days before the end of primary voting. He decides to focus on mobilizing his organization for get-out-the-vote efforts and to get paid staffers and volunteers to lead the way with more intimate messaging on his behalf, while pulling campaign ads and limiting public appearances, according to a campaign spokesman.

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Tallahassee correspondent Danny McAuliffe, Orlando correspondent Scott Powers, and Senior Editor Jim Rosica contributed to this post.