Draft:Great Powers by entry into World War I

This article lists the


 * American entry into World War I
 * Austro-Hungarian entry into World War I
 * British entry into World War I
 * French entry into World War I
 * German entry into World War I
 * Italian entry into World War I
 * Japanese entry into World War I
 * Ottoman entry into World War I
 * Russian entry into World War I