Abbreviated list of things Republicans deny:

That the Trump Campaign colluded with Russia to tilt the 2016 election in Trump's favor. (It did.)

That the Mueller Report clearly outlines 10 instances where Trump obstructed justice during the Mueller investigation. (It does.)

That the Mueller Report does NOT clear Trump of colluding with the Russians. (It doesn't.)

That Trump's "perfect call," where he attempted to use the power of the POTUS to extort a personal favor from the president of Ukraine was an illegal abuse of power. (It was.)

That Biden won the 2020 election fair and square. (He did.)

That the J6 attack on the Capitol was violent. (It was.)

That the people who instigated the J6 violence were Trump supporters. (They were.)

That the violent attempt to prevent the certification of Electoral College votes was an insurrection. (It was)

That the COVID-19 vaccines are safe and effective. (They are)

That Trump broke the law and endangered national security in stealing classified documents, showing them to people who lacked clearance, and obstructing the investigation. (He did)

That the economy under Biden has done phenomenally well. (It has.)

That the Biden administration has been catching, processing, and deporting people as fast as possible given current US law. (It has.)

That supporting Ukraine in it's fight against Vlad the Invader is in the USA's national security interest. (It is.)

That the USA was founded as a secular nation. (It was)

That the 2nd Amendment does not guarantee the right of every person to own an AR-15. (It doesn't)

That Donald J. Trump is a fascist pig (He is.)

The list goes on.