After the outbreak of the war, he volunteered for service in the Italian army, but was refused because he was myopic.

On the outbreak of the Franco-Prussian War, he volunteered for service in the French army but his offer was declined.

He volunteered in the Belgian revolutionary army.

For reasons unknown, he instead volunteered in the army of the Spanish Empire.

After that he volunteered for service in the army, where he was assigned to the 12th Engineers' Battalion.

In 1915, he volunteered for service in the Russian army, graduated from officer school, and subsequently served with the Latvian riflemen units.

In 1914, Fowler and his younger brother volunteered for service in the British army.

At the outbreak of World War I, he returned to Austria and volunteered for service in the army.

Emād had just started studying in London when the War broke out, whereon he volunteered as an officer in the army.

From 1783 to 1794 he volunteered in the Prussian army as a musketeer.