News of Armenian massacres began to surface in Europe and America in August of 1915, and began causing outrage and alarm. Nearly a year later, these events were addressed within the German government...

The peace plan includes independence for Poland, restoration of Belgian independence, the return of Alsace-Lorraine to France, an end to secret diplomacy, autonomy of subject nationalities and the...

Thirty-six tanks are secretly shipped to the front and used in the Battle of Flers-Courcelette, near the Somme. However, mechanical malfunctions and inexperienced crews greatly hampered the tanks...

Treaty of Brest-Litovsk is signed by Soviet Russia and Germany. Germany sets harsh terms: Russia yields 34% of her population, 32% of her farmland, 50% of her industrial holdings and 90% of her...

The disease, known as the “Spanish flu,” spreads through contact or close proximity to infected persons. It is carried from the U.S. overseas on troop ships to the Western Front and then throughout...

In an effort to draw German troops away from Verdun, the Allies mount a major offensive that opens with a large-scale artillery barrage that lasts five days. In one day, as German machine gunners rake...

The “Great Arab Rising”, a nationalist rise to throw off Ottoman rule, is led by Sherif Hussein of Mecca, King of the Hedjaz, and his son Emir Feisal. Mecca, Medina and Jeddah come under...

Clocks are set forward one hour. The Congressional Act for “saving” daylight accompanies food, fuel, and other conservation programs. Canada joins the U.S. in saving daylight on April 15.

The U.S. 1st Division’s 28th Infantry Regiment mounts an assault on the German observation strongpoint in broad daylight. Within thirty-five minutes, the Doughboys have the village. The next day,...

Off the coast of Denmark, the Germans try to break through the British blockade of German ports. In the two-day battle, the British lose 111,980 tons of shipping with 6,945 casualties. The Germans...