World War I History Ruler - 30cmWorld War I History Ruler - 30cm
The World War I History ruler is plastic and measures 30cm long. It shows measurements in both inches and centimetres. On the front of the ruler is a colour image depicting a silhouette of troops, planes, artillery and tanks.
The reverse of the World War I History ruler shows a comprehensive timeline of the important historical events from June 28 1914 with the assassination of Franz Ferdinand through to the Treaty of Versailles on 28 June 1919.