Britain's King Charles III greets people as he arrives with Queen Camilla to address a Joint Meeting of Congress in the House Chamber at the US Capitol in Washington, DC, on April 28, 2026. (Photo by ROBERTO SCHMIDT / AFP via Getty Images)

Britain's King Charles III speaks to a Joint Meeting of Congress in the House Chamber at the US Capitol in Washington, DC, on April 28, 2026. (Photo by ROBERTO SCHMIDT / AFP via Getty Images)

US Vice President JD Vance and US Speaker of the House Mike Johnson applaud the arrival of Britain's King Charles III to speak to a Joint Meeting of Congress in the House Chamber at the US Capitol in Washington, DC, on April 28, 2026. (Photo by Kent NISHIMURA / AFP via Getty Images)

WASHINGTON, DC - APRIL 28: Britain's King Charles III is applauded by U.S. Vice President JD Vance and U.S. House Speaker Mike Johnson (R-LA) as he arrives to address a Joint Meeting of Congress at the U.S. Capitol during day two of the State Visit of King Charles III and Queen Camilla to the United States of America on April 28, 2026 in Washington, DC. In his first visit to the U.S. as the British monarch, King Charles III is addressing Congress as part of a multi-day trip to the nation's capital, New York City, and Virginia celebrating the United States of America's 250th anniversary of its independence. (Photo by Henry Nicholls-Pool/Getty Images)

Britain's King Charles III greets House Speaker Mike Johnson flanked by US Vice President JD Vance as he arrives to address a Joint Meeting of Congress in the House Chamber at the US Capitol in Washington, DC, on April 28, 2026. (Photo by SAUL LOEB / AFP via Getty Images)

WASHINGTON, DC - APRIL 28: Britain's King Charles III is applauded by U.S. Vice President JD Vance and U.S. House Speaker Mike Johnson (R-LA) as he addresses a Joint Meeting of Congress at the U.S. Capitol during day two of the State Visit of King Charles III and Queen Camilla to the United States of America on April 28, 2026 in Washington, DC. In his first visit to the U.S. as the British monarch, King Charles III is addressing Congress as part of a multi-day trip to the nation's capital, New York City, and Virginia celebrating the United States of America's 250th anniversary of its independence. (Photo by Henry Nicholls-Pool/Getty Images)

TOPSHOT - US Vice President JD Vance and House Speaker Mike Johnson applaud as Britain's King Charles III arrives to address a Joint Meeting of Congress in the House Chamber at the US Capitol in Washington, DC, on April 28, 2026. (Photo by HENRY NICHOLLS / POOL / AFP via Getty Images)

Britain's King Charles III speaks to a Joint Meeting of Congress in the House Chamber at the US Capitol in Washington, DC, on April 28, 2026. (Photo by ROBERTO SCHMIDT / AFP via Getty Images)