Major States 935
Participants: 2 United States of America/255 Germany
Outcome (and Settlement): Unclear (None)
Fatalities: Missing
Narrative: The United States protested Germany’s decision to use submarine warfare
to enforce a blockade around Britain. German U-boats were responsible for attacks on
five American ships in 1915.
Coding changes: Start Date changed from February 10, 1915. End Date changed
from July 21, 1915.
MID#2733
Dispute Number: 2733
Date(s): March 2, 1916
Participants: 255 Germany/2 United States of America
Outcome (and Settlement): Yield by side A (None)
Fatalities: None
Narrative: On March 2, 1916, Germany warned the United States against arming
merchant ships and threatened that armed ships would be attacked.
MID#399
Dispute Number: 399
Date(s): October 7, 1916 to April 6, 1917
Participants: 255 Germany/2 United States of America
Outcome (and Settlement): Joins ongoing war (Unclear)
Fatalities: Missing
Narrative: After attacks on American shipping by German U-boats, the United
States declared war on Germany and began by seizing German ships in American
ports.
Coding changes: Start Date changed from October 9, 1916. End Date changed from
April 17, 1917.
MID#258
Started in March 1939. See the narrative in the 255 Germany/290 Poland dyad dispute
list.
MID#3708
Dispute Number: 3708
Date(s): October 9, 1939 to November 4, 1939
Participants: 255 Germany/2 United States of America
Outcome (and Settlement): Released (None)
Fatalities: None