In a surprising twist to his public appearances, President Joe Biden recently donned a Trump 2024 cap during a memorial event in Shanksville, Pennsylvania, on September 11. This move, adding to the many memorable moments of Bidens presidency, has captured widespread attention and sparked debate.A memorial event with a twistOn the solemn occasion of September 11, Biden attended a memorial service commemorating the victims of the 2001 terrorist attacks. The event, held at a local fire station, honoured the bravery of firefighters who risked their lives to save others during the attacks. Emphasising the need for national unity, Biden called for a return to the bipartisan spirit that characterised the nation in the aftermath of 9/11.Joe Biden just put on a Trump 2024 campaign cap. This is not a joke… he really did. 🙈 pic.twitter.com/p1XLFRamwR— Piers Morgan (@piersmorgan) September 11, 2024The cap controversyDuring his speech, Biden engaged in a gesture that has since sparked considerable discussion. He swapped his campaign hat with a Trump 2024 cap offered by a Trump supporter. The supporter, hoping to symbolise the unity Biden advocated, requested the President wear the hat. Biden, smiling, complied and sported the red cap with Trump 2024 emblazoned on it.Trump campaigns reactionDonald Trumps presidential campaign seized the opportunity to capitalise on the moment, sharing the photo on social media platform X (formerly Twitter) with a message of thanks to Biden. The campaigns post elicited a range of reactions from Trump supporters, with some expressing delight at the unexpected gesture, while others were taken aback by its symbolism.I thought this was photoshopped, but no! remarked one user on X, reflecting the surprise many felt. Others interpreted the act as a rare moment of cross-party camaraderie, while some viewed it as a strategic move by the Trump campaign to bolster their 2024 bid.