RIP: Florence Green, believed to be the world's last remaining WWI vet, passed away Saturday night in her sleep. She was 110.

Green, who served as an Officer’s Mess Steward in the Royal Air Force during the Great War, was less than two weeks shy of her 111th birthday.

The King's Lynn, Norfolk resident joined up at age 17, two months before the armistice. Her daughter, June Evetts, says G