contested ground, 31 engagements
Picardy: contested ground
The ground around Picardy was fought over 31 times between 1871 and 1918: 30 battles and 1 campaign, in 2 different wars. All 31 recorded sites lie within a few kilometres of one another.
In time order
Engagements by date
| Date | Engagement | Place | War |
|---|---|---|---|
| 3 January 1871 | Battle of Bapaume | Bapaume | Franco-Prussian War |
| 25 September 1914 | Battle of Albert | Somme | World War I |
| 1916 | Battle of Flers–Courcelette | Flers | World War I |
| 1916 | Battle of Albert | Somme | World War I |
| 1 July 1916 | Battle of the Somme | River Somme | World War I |
| 1 July 1916 | First day on the Somme | Somme | World War I |
| July 1916 | Leipzig salient | Picardy | World War I |
| 6 July 1916 | Capture of La Boisselle | Picardy | World War I |
| 7 July 1916 | Battle of Mametz Wood | Mametz | World War I |
| 7 July 1916 | Battle of Mametz Wood | Mametz | World War I |
| 14 July 1916 | Battle of Bazentin Ridge | Somme | World War I |
| 16 July 1916 | Capture of Ovillers | Picardy | World War I |
| 3 September 1916 | Battle of Delville Wood | Longueval | World War I |
| 3 September 1916 | Battle of Pozières | Pozières | World War I |
| 3 September 1916 | Battle of Guillemont | Guillemont | World War I |
| 9 September 1916 | Battle of Ginchy | Ginchy | World War I |
| 25 September 1916 | Battle of Thiepval Ridge | Thiepval | World War I |
| 25 September 1916 | Battle of Morval | Morval | World War I |
| 26 September 1916 | Battle of Mouquet Farm | Pozières | World War I |
| 26 September 1916 | Capture of Combles | Picardy | World War I |
| 1 October 1916 | Battle of Le Transloy | Le Transloy | World War I |
| 1 October 1916 | Capture of Regina Trench | Picardy | World War I |
| 13 November 1916 | Battle of the Ancre | Ancre | World War I |
| 1917 | Operations on the Ancre, January – March 1917 | France | World War I |
| 1918 | Second Battle of the Somme | River Somme | World War I |
| 1918 | Spring Offensive | West Flanders | World War I |
| 28 March 1918 | First Battle of Dernancourt | Dernancourt | |
| 30 March 1918 | First Battle of Morlancourt | Morlancourt | |
| 5 April 1918 | Second Battle of Dernancourt | Dernancourt | |
| 14 May 1918 | Second Battle of Morlancourt | Morlancourt | World War I |
| 10 June 1918 | Third Battle of Morlancourt | Morlancourt | World War I |
Contested ground is computed: recorded sites within six kilometres of one another, three or more engagements, in more than one war or across more than fifty years. Coordinates are those recorded in Wikidata and can be approximate.