 Ramba uchiverenga ndima iyi - Akazvarwa musi wa17 March 1787 kuna Charles naAnn Fergusson, Fergusson akapiwa basa rokuva ensign muna 1801, mu18th Royal Irish Regiment of Foot, asati aendeswa ku43rd Monmouthshire Regiment of Foot, achidzidziswa sechiuto chechiuto pasi paSir John Moore paShorncliffe. Akakwidziridzwa kuva lieutenant muna 1804, uye kaputeni muna 1806, akashanda muLight Division muHondo yePeninsular. Fergusson akanga aripo muhondo dzeRoliça, Vimeiro, kwaakawana maronda, uye Corunna, uko regiment yake yakaumba chikamu chechivigiro. Fergusson akaperekedza 43rd pa1809 Walcheren Expedition asati adzokera kuPeninsula, achiona chiito paRwizi Côa, Bussaco, Sabugal, Fuentes de Onoro, pamwe neCiudad Rodrigouye Badajoz, uko akaumba rutivi rwamapoka okurwisa e43rd, achigamuchira maronda nguva dzose. Akagamuchira menduru yegoridhe nokuda kwechiito chake paBadajoz. Zvichitevera chiito chakanaka paSalamanca muna 1812 akasimudzirwa kuva Major pasina kutenga, achitora nzvimbo mu79th Foot. Akashandurwa kuva 85th Foot, achiona chiito paBidassoa, Nivelle, Nive uye Bayonne. 