A look back at Britain's Prince Philip's public life as he retires(30 images)
Britain's Prince Philip, 96, the Duke of Edinburgh, will step down from his public duties in August, Buckingham Palace announced on May 4, 2017. He and Queen Elizabeth, 91, have been married for 70 years. They have four children: Prince Charles, Princess Anne, Prince Andrew and Prince Edward.
From left to right, Kate Middleton, holding Princess Charlotte, with her son, Prince George, Prince Harry, Prince William, Queen Elizabeth, and Sophie, Countess of Wessex, watch the flypast from the balcony of Buckingham Palace at the annual "Trooping the Colour" to celebrate the Queen's 90th birthday celebrations on June 11, 2016. File Photo by Hugo Philpott/UPI
Prince Philip, a longtime crusader for conservation and president of the World Wildlife Fund International, urged the world's business and government leaders to "show more concern for the consequences of their actions." The Duke of Edinburgh, 62, made his comments in an interview with UPI in Washington on May 19, 1984. File Photo by Chas Cancellare/UPI
From left to right, First Lady Laura Bush, Prince Philip, Duke of Edinburgh, Britain's Queen Elizabeth II and U.S. President George W. Bush wave from the Truman Balcony of The White House following an arrival ceremony, in Washington on May 7, 2007. The Queen is on the final leg of her six-day visit to America. (UPI Photo/Kevin Dietsch)