King Charles set for historic address to Congress in first US visit as monarch

This material may not be published, broadcast, rewritten, or redistributed. ©2026 FOX News Network, LLC. All rights reserved. Quotes displayed in real-time or delayed by at least 15 minutes. Market data provided by Factset. Powered and implemented by FactSet Digital Solutions. Legal Statement. Mutual Fund and ETF data provided by LSEG. President Donald Trump and first lady Melania Trump welcomed King Charles III and Queen Camilla to the White House on Monday. It is their first state trip to the U.S. as monarchs. King Charles III will address a joint meeting of Congress on Tuesday during his U.S. state visit marking America’s 250th birthday, stepping into a high-profile ceremonial moment as Washington remains on edge over heightened security concerns and tensions tied to the war with Iran. The four-day trip is stacked with various events and private meetings, and comes during escalating pressure on security in Washington, D.C., following the shooting at the White House Correspondents’ Dinner that targeted President Donald Trump and his administration officials. Queen Elizabeth II was the first monarch to deliver a speech at the U.S. Capitol during a state visit in 1991, two months a