Rubuta ci gaba don wannan sakin layi - Kasancewa likitan soja, Nicholson ya shafe wasu shekaru a Afirka ta Kudu, kuma ya ga sabis a cikin Xhosa Wars
a cikin 1853 da 1854. Ya kasance a China a lokacin Yaƙin Opium na Biyu, kuma yana nan a lokacin da aka kwashe fadar bazara a Beijing; kuma a New Zealand ya shiga cikin Yaƙin Taranaki na Biyu.