Monday marks the 100th anniversary of the sinking of the S.S. Tuscania during World War One.
The Spooner Advocate reports nearly 20 Wisconsin servicemen were on board the ship, headed for Europe when it was torpedoed by a German submarine off the Irish and Scottish coasts.
All of the members from Northwest part of the state survived.
On Monday, eight of the original survivors had their graves marked with flowers.
More than 2,000 American soldiers were on board the ship when it was hit.
More than 200 American soldiers were killed in the single deadliest U-boat attack on U.S. forces in World War One.