London, July 4 -- UK Royal Family extended warm congratulations to US President Donald Trump and the American people on the occasion of the 250th anniversary of the United States' independence, describing the milestone as "a truly historic" moment and reaffirming the enduring partnership between the two countries.

In a message, King Charles wrote, "My wife and I are delighted to send our warmest congratulations to you and to the people of the United States of America on the occasion of the 250th anniversary of your nation's independence."

"We were proud and honoured to be able to celebrate this special anniversary during our visit to the United States in April," he added.

Describing the anniversary as "a truly historic milestone and a ...