<Tr> <Td> <Table> <Tr> <Th_colspan="2"> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> Flanders Offensive 1917 </Th> </Tr> <Tr> <Td_colspan="2"> Messines <Ul> <Li> Capture of Wytschaete </Li> </Ul> <P> Battles of Ypres, 1917 </P> <Ul> <Li> Pilckem Ridge </Li> <Li> Westhoek </Li> <Li> Langemarck <Ul> <Li> 19 August </Li> <Li> 22 August </Li> <Li> Gheluvelt Plateau </Li> </Ul> </Li> <Li> Menin Road <Ul> <Li> Wurst Farm </Li> <Li> 25 September </Li> </Ul> </Li> <Li> Polygon Wood <Ul> <Li> 30 September--4 October </Li> </Ul> </Li> <Li> Broodseinde </Li> <Li> Poelcappelle </Li> <Li> 1st Passchendaele <Ul> <Li> 22 October </Li> </Ul> </Li> <Li> 2nd Passchendaele <Ul> <Li> 1 / 2 December </Li> <Li> Polderhoek Spur </Li> </Ul> </Li> </Ul> <P> Associated articles </P> <Ul> <Li> Ypres Salient </Li> <Li> Celtic Wood </Li> <Li> Tactics, 1917 </Li> <Li> Messines mines </Li> <Li> Operation Hush </Li> <Li> Nieuport, 10--11 July </Li> <Li> Hooge in World War I </Li> <Li> The Menin Road (painting) </Li> </Ul> </Td> </Tr> </Table> <Table> <Tr> <Th_colspan="2"> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> Western Front </Th> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> Belgium <Ul> <Li> Halen </Li> <Li> Liège </Li> <Li> Dinant </Li> <Li> Namur </Li> </Ul> </Li> <Li> Frontiers <Ul> <Li> Charleroi </Li> <Li> Mons </Li> </Ul> </Li> <Li> Great Retreat <Ul> <Li> 1st Marne </Li> </Ul> </Li> <Li> 1st Aisne </Li> <Li> Antwerp </Li> <Li> Race to the Sea <Ul> <Li> Yser </Li> <Li> 1st Ypres </Li> <Li> Winter operations </Li> </Ul> </Li> <Li> 1st Artois </Li> <Li> 1st Champagne </Li> <Li> Hartmannswillerkopf </Li> <Li> Neuve Chapelle </Li> <Li> 2nd Ypres </Li> <Li> 2nd Artois </Li> <Li> 2nd Champagne </Li> <Li> Loos </Li> <Li> 3rd Artois </Li> <Li> Verdun </Li> <Li> Somme </Li> <Li> Alberich </Li> <Li> Nivelle <Ul> <Li> Arras </Li> <Li> 2nd Aisne </Li> <Li> Hills </Li> </Ul> </Li> <Li> Messines </Li> <Li> 3rd Ypres (Passchendaele) </Li> <Li> La Malmaison </Li> <Li> 1st Cambrai </Li> <Li> Spring <Ul> <Li> Michael </Li> <Li> Lys </Li> <Li> 3rd Aisne </Li> <Li> 2nd Marne </Li> </Ul> </Li> <Li> Hundred Days <Ul> <Li> Amiens </Li> </Ul> </Li> </Ul> </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Th_colspan="2"> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> Flanders Offensive 1917 </Th> </Tr> <Tr> <Td_colspan="2"> Messines <Ul> <Li> Capture of Wytschaete </Li> </Ul> <P> Battles of Ypres, 1917 </P> <Ul> <Li> Pilckem Ridge </Li> <Li> Westhoek </Li> <Li> Langemarck <Ul> <Li> 19 August </Li> <Li> 22 August </Li> <Li> Gheluvelt Plateau </Li> </Ul> </Li> <Li> Menin Road <Ul> <Li> Wurst Farm </Li> <Li> 25 September </Li> </Ul> </Li> <Li> Polygon Wood <Ul> <Li> 30 September--4 October </Li> </Ul> </Li> <Li> Broodseinde </Li> <Li> Poelcappelle </Li> <Li> 1st Passchendaele <Ul> <Li> 22 October </Li> </Ul> </Li> <Li> 2nd Passchendaele <Ul> <Li> 1 / 2 December </Li> <Li> Polderhoek Spur </Li> </Ul> </Li> </Ul> <P> Associated articles </P> <Ul> <Li> Ypres Salient </Li> <Li> Celtic Wood </Li> <Li> Tactics, 1917 </Li> <Li> Messines mines </Li> <Li> Operation Hush </Li> <Li> Nieuport, 10--11 July </Li> <Li> Hooge in World War I </Li> <Li> The Menin Road (painting) </Li> </Ul> </Td> </Tr> </Table> <Tr> <Th_colspan="2"> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> Flanders Offensive 1917 </Th> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul>

Where did the major battles take place in ww1