CLEVELAND (KGO) -- The roller coaster Republican National Convention comes to a close Thursday night with the speech everyone has been waiting for, Donald Trump's nomination acceptance speech.
But the big headlines could be made before Trump even takes the stage. Silicon Valley venture capitalist Peter Thiel will make history as the first ever speaker to talk about his sexuality.
WATCH LIVE: ABC News coverage of the Republican National Convention
He's already appeared three times at the RNC, but tonight Republican Donald Trump will formally address the delegation introduced by his daughter Ivanka.
At today's run-through, trump couldn't resist taking a shot at Ted Cruz, the runner-up for the nomination who was booed off the stage last night.
At a morning meeting with the Texas delegation, Ccruz explained why his broke his pledge to support Trump.
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"That pledge was not a blanket commitment that if you go and slander and attack Heidi, that I'm going to nonetheless come like a servile puppy dog," Cruz said.
Also speaking on the final night of the RNC, Silicon Valley venture capitalist and co-founder of PayPal Peter Thiel, who is expected to discuss his identity as a gay man, but then move on to reveal why he supports Donald Trump.
Despite the early battles on the floor and the noisy flap over Ted Cruz's failure to endorse Trump, there's still confidence this party will leave the convention united.
"He already has united the party. I mean you see a room like this and their chanting Trump, Trump, Trump, Trump," said Eric Trump.
ABC7 anchor Reggie Aqui and reporter Laura Anthony are reporting live from the RNC in Ohio. You can follow them on social media: Click here to follow Reggie on Facebook and click here for Twitter. Track Laura Anthony on Facebook here and follow her Twitter here.
For full coverage of the 2016 RNC, click here, and click here for full coverage on the presidential race.
Trump to speak on final night of Republican National Convention
2016 REPUBLICAN NATIONAL CONVENTION - RNC