The 11th (Lonsdale) Battalion lost 516 men during the fighting on that day.
Lonsdale Cemetery is built on the site of what was the front line on that date.
Lonsdale Cemetery No. 1 (the present Lonsdale Cemetery) originally contained 96 graves which now form Plot I.
Lonsdale Cemetery was enlarged after the Armistice by the concentration of graves (almost all of 1916) from the surrounding battlefields.
Lonsdale Cemetery now contains a total of 1,542 graves comprising 1,537 soldiers from the United Kingdom, four from Australia and one from France. There are 816 unnamed graves - or more than half the total.
Special memorials are erected to 22 soldiers from the United Kingdom, known or believed to be buried among them.
Lonsdale Cemetery covers an area of 5,514 square yards and is enclosed by a low brick wall.
Lonsdale Cemetery is 1.5km south of Ovillers, to the north of Authuille Wood.
Lonsdale Cemetery Fact Panel
| Country | Known Graves | Unknown Graves | Total Graves |
| United Kingdom | 726 | 811 | 1,537 |
| Australia | - | 4 | 4 |
| France | - | 1 | 1 |
| Total | 726 | 816 | 1,542 |
| Area | 4,605 square metres | ||
