Supporters are wearing red today to celebrate what would have been Kirk's 32nd birthday, many donning Turning Point USA's signature red "freedom" shirts.

President Donald Trump is set to award the Presidential Medal of Freedom, the nation's highest civilian honor, to slain conservative activist Charlie Kirk at a White House ceremony on Tuesday.

"For the First Time in American History A Christian Cross has been Engraved onto the Presidential Medal of Freedom in honor of Charlie Kirk ," Johnson wrote in the post.