History
| Period | Link |
|---|---|
| Arras | Artois; Burgundy; Spain and France |
| Arras | Charles Quint, Holy Roman Emperor and King of Spain: 1500 – 1558 |
| Cassel | Cassel – May 1940 |
| Cassel | The battles of Cassel : 1071 and 1328 |
| Cassel | The battle of Cassel – 1677 |
| Gas | An introduction to gas warfare |
| Gas | The German chemical industry |
| Le Quesnoy | The fortifications of Le Quesnoy |
| An independent Ireland | Forming the new Irish Divisions |
| The Irish Volunteers | Forming the new Irish Divisions |