The Richard Nixon Presidential Library and Museum hit back at political observers who compared President Trump to Nixon after his bombshell decision to fire FBI director James Comey on Tuesday.

"FUN FACT: President Nixon never fired the Director of the FBI," the library tweeted.

FUN FACT: President Nixon never fired the Director of the FBI #FBIDirector #notNixonian pic.twitter.com/PatArKOZlk — RichardNixonLibrary (@NixonLibrary) May 9, 2017

The tweet appeared to be a response to numerous lawmakers who said the firing was reminiscent of Nixon's decision to fire Archibald Cox, a key player in Watergate investigations.

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"This is Nixonian,” Sen. Bob Casey Robert (Bob) Patrick CaseySecond GOP senator to quarantine after exposure to coronavirus GAO report finds brokers offered false info on coverage for pre-existing conditions Catholic group launches .7M campaign against Biden targeting swing-state voters MORE (D-Pa.) said in a statement.

Sen. Patrick Leahy Patrick Joseph LeahyBattle over timing complicates Democratic shutdown strategy Hillicon Valley: Russia 'amplifying' concerns around mail-in voting to undermine election | Facebook and Twitter take steps to limit Trump remarks on voting | Facebook to block political ads ahead of election Top Democrats press Trump to sanction Russian individuals over 2020 election interference efforts MORE (D-Vt.) made a similar comparison, saying that Trump fired Comey "in the midst of one of the most critical national security investigations in the history of our country — one that implicates senior officials in the Trump campaign and administration."

"This is nothing less than Nixonian," Leahy said.

Other lawmakers drew the comparison as well.

The tweet quickly drew thousands of reactions, with many suggestiong the library was jabbing at Trump.