Was there anything for 18 year olds at the 1st world war?

Many 18 year olds, fought and died in World War I. Some soldiers were even younger.

Many 18 year olds, fought and died in World War I. Some soldiers were even younger.

Many 18 year olds, fought and died in World War I. Some soldiers were even younger.

Many 18 year olds, fought and died in World War I. Some soldiers were even younger.

Many 18 year olds, fought and died in World War I. Some soldiers were even younger.

Many 18 year olds, fought and died in World War I. Some soldiers were even younger.

Many 18 year olds, fought and died in World War I. Some soldiers were even younger.

Many 18 year olds, fought and died in World War I. Some soldiers were even younger.

Many 18 year olds, fought and died in World War I. Some soldiers were even younger.

Many 18 year olds, fought and died in World War I. Some soldiers were even younger.

Many 18 year olds, fought and died in World War I. Some soldiers were even younger.