By all accounts, the conflict has lasted longer than both sides thought it would.
The biggest conflict in history had lasted almost six years.
Neither side was strong enough to force a victory, and the conflict lasted until 1381.
No one expected that the conflict would last ten years.
All imagined that the conflict would last no more than a few months.
The subsequent conflict lasted until 2003 and killed more than two million people.
But, he warned, "It should be clear to everyone that the conflict will last a long time."
Though the conflict lasted for nine hours, casualties were light.
The conflict lasted for eight years, a month and three days (measured from 1937 to 1945).
Associates say the conflict lasted no more than 24 to 36 hours.