. . . . "British Empire" . "capture of Doignies, France" . "the British advance in Ancre Valley" . "launched assaults in Ancre Valley" . . . . "4th Army" . "1st Army" . . . . "repeated British attacks in that period" . . . . "Ancre Offensive" . "extended the front in Ancre Valley" . . "operations in Ancre Valley" . "Actions of Miraumont" . . "5th Army" . . "Warlencourt" . . "operations along the Ancre" . "Operations on the Ancre" . . . "Details" . "trench raids and minor attacks in the Ancre Valley" . "Ancre" . . . . . . "advance to the Hindenburg Line" . . . "2,151 (incomplete)" . "British victory" . "Operations on the Ancre, January\u2013March 1917" . "French Empire" . . . . . . "offensives in the Somme area" . . . "Operations on the Ancre, January\u2013March 1917" . "1917-03-13" . "operations on the Ancre" . "raids" . . . . "1917 Operations on the Ancre" . . . . . . . . "United Kingdom" . . . . "Ancre Heights" . .