Elizabeth's memorable encounters with US presidents

Donald Trump is the 12th US president to meet with the British Queen Elizabeth.

The queen first met a US president 67 years ago but then she was a princess.

She and her husband, Prince Phillip, hosted Harry S Truman for a formal dinner at the Canadian Embassy in Washington in 1951.

Watch the video, prepared by CBS News, on Elizabeth's memorable encounters with US presidents.  

Source: thedailystar