Answer: #1 ~ WWI began on June 28, 1914, when a Serbian terrorist shot and killed Archduke Franz Ferdinand, heir to the Austro-Hungarian throne, and his wife.
#2 ~ Germans were the first to use flamethrowers in WWI. Their flamethrowers could fire jets of flame as far as 130 feet (40 m).
#3 ~ More than 65 million men from 30 countries fought in WWI. Nearly 10 million died. The Allies (The Entente Powers) lost about 6 million soldiers. The Central Powers lost about 4 million.
#4 ~ During WWI, British tanks were initially categorized into “males” and “females.” Male tanks had cannons, while females had heavy machine guns.
#5 ~ During WWI, dogs were used as messengers and carried orders to the front lines in capsules attached to their bodies. Dogs were also used to lay down telegraph wires.
#5 ~ “Little Willie” was the first prototype tank in WWI. Built in 1915, it carried a crew of three and could travel as fast as 3 mph (4.8 km/h).
#6 ~ To increase the size of the U.S. Army during WWI, Congress passed the Selective Service Act, which was also known as the conscription or draft, in May 1917. By the end of the war, 2.7 million men were drafted. Another 1.3 million volunteered.
#7 ~ During WWI, the Spanish flu caused about 1/3 of total military deaths.
#8 ~ During WWI, the Spanish flu caused about 1/3 of total military deaths.
#9 ~ WWI was fought from 1914-1918 on every ocean and on almost every continent. Most of the fighting, however, took place in Europe.
#10 ~ During WWI, the Germans released about 68,000 tons of gas, and the British and French released 51,000 tons. In total, 1,200,000 soldiers on both sides were gassed, of which 91,198 died horrible deaths.
Step-by-step explanation: