By the spring of nineteen forty-one, Europe had been at war for a year and a half.

VOA: special.2009.05.17

Except for a year at the University of Mississippi at the end of World War One, that was the last of his official education.

VOA: special.2010.01.03

Travel was impossible during the four year American Civil War that began in eighteen sixty-one.

VOA: special.2009.07.12

Wounded twice during his roughly one year at war, Hagel has two Purple Hearts and is the first man to become secretary of defense after serving only in the enlisted corps.

WSJ: Hagel: Cadets must stamp out sex assault scourge

The Afghan conflict, it is often said, has been not an eight-year war, but eight one-year wars.

ECONOMIST: The war in Afghanistan

The organization operates a one-year program for women in countries where war has torn apart lives and brought about social exclusion.

FORBES: From Zainab Salbi to Afshan Khan: What's Next For Women For Women International?