World War I was the first time we used frag bombs and shells against infantry, and steel helmets protected guys from falling shrapnel.
- Fact 1: The M1917 Brodie steel helmet was introduced during WWI to protect soldiers' heads from falling debris and shrapnel.
- Fact 2: The Brodie helmet was first used by British troops in the Battle of St Eloi in April 1916.
- Fact 3: Early WWI helmets were made of leather or mild steel, and failed to protect against modern, high-caliber bullets. Later helmets used ballistic-grade steel.
- Fact 4: Brodie helmets were produced in such huge numbers that surplus british models are still widely used by soldiers in parts ot the Middle East
- Fact 5: The advent of fragmenting bombs in the early 20th century led to increased head injury in soldiers and the need for heavier head protection.