Donald Trump is visiting the UK for a historic and unprecedented second state visit, officially invited by King Charles III. The visit, lasting from September 16 to 18, 2025, involves royal ceremonies at Windsor Castle, meetings with UK leaders including Prime Minister Sir Keir Starmer, and discussions aimed at strengthening UK-US trade relations. Key agendas include signing agreements related to technology and civil nuclear energy and negotiating metal tariffs. The UK government hopes the royal pageantry will help create a positive atmosphere for trade talks. This visit also marks Trump's unique distinction as the first American president to receive two state visits. Trump has expressed a positive relationship with the UK and called King Charles his friend, emphasizing the honor of this second invitation.