President Wilson tells a joint session of Congress that Germany’s policy of unrestricted U-boat warfare poses an unacceptable threat to “freedom of the seas.”...

By this time, the Germans feel they have no other choice:  the submarine is the only weapon that gives them an advantage over their enemies. Kaiser Wilhelm II gives an order:  “To all...

President Barack Obama signed legislation passed by Congress that designated the Liberty Memorial as a national World War I memorial with the same level of distinction as memorials such as the...

The National World War I Museum at Liberty Memorial receives the distinction of National Historic Landmark.

The National World War I Museum at Liberty Memorial opens to the public.

The Museum is designated by the 108th Congress as the United States’ official World War I Museum...

Citizens of Kansas City pass a half-cent sales tax for 18 months to support the restoration of the Liberty Memorial. Plans begin to build a new museum to display the WWI-related objects and documents...

The Liberty Memorial is closed due to safety concerns from deteriorated infrastructure.

"These have dared bear the torches of sacrifice and service. Their bodies return to dust but their work liveth evermore. Let us strive on to do all which may achieve and cherish a just and...

After three years of construction, the Liberty Memorial is completed. President Calvin Coolidge delivers the dedication speech to a crowd of 150,000 people.