Conscription introduced
In January 1916 the Military Service Act was passed. This imposed conscription on all single men aged between 18 and 41, but exempted the medically unfit, clergymen, teachers and certain classes of industrial worker.
Who had to register for the draft in WWI?
During World War I there were three registrations. The first, on June 5, 1917, was for all men between the ages of 21 and 31. The second, on June 5, 1918, registered those who attained age 21 after June 5, 1917.
Who can be conscripted?
The Selective Service System, otherwise known as the draft or conscription, requires almost all male U.S. citizens and immigrants, ages 18 through 25, to register with the government.
