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...

The Sykes-Picot Agreement undermines Arab hopes for independence. Syria and Lebanon are placed in the French orbit, while Britain claims Jordan, Iraq, the Gulf states and the Palestinian Mandate.

At Belleau Wood, U.S. Marines launch an attack against German storm troopers. Two battalions of Marines, along with army engineers and infantry, confront German storm troopers in a seesaw battle that...

After the March 24 sinking of the passenger ship, Sussex, Woodrow Wilson again threatened breaking off relations with Germany. To avert the threat of America entering the war on the side of the Allies...

By war’s end, the U.S. Navy places a total of 56,570 sea mines, helping to create a 300-mile barrier against Germany, stretching from Scotland to Norway. At least five U-Boats were sunk by the barrage...

The CWS coordinates all aspects of chemical warfare including administration, research, gas defense, gas offensive, development and medical training.

The ANZACs are troops from the British Commonwealth countries of Australia and New Zealand.