1.12 million letters were delivered to the frontline every week.

2. World war 1 was a world wide military conflict lasting 4 years.

3.The youngest British soldier in the war was just 12 years old.

4..PLastic surgery was invented because of ww1

5. The Americans joined ww1 after 128 Americans were killed by a German Submarine.

6. 9 out of 10 British soldiers died in the trenches

7. Daylight saving time was created in ww1 

8. Adolf Hitler served as a private in ww1