1 2 ▁and ▁was ▁commission ed ▁a ▁major ▁of ▁the ▁Se vent h ▁Infantry ▁October ▁ 9 , ▁ 1 8 1 3 . ▁He ▁was ▁honor ably ▁dis charg ed ▁from ▁the ▁army ▁on ▁June ▁ 1 5 , ▁ 1 8 1 5 , ▁and ▁on ▁December ▁ 2 ▁following ▁was ▁re inst ated ▁as ▁a ▁captain ▁in ▁the ▁E ighth ▁Infantry ▁with ▁the ▁bre vet ▁of ▁major . ▁On ▁June ▁ 1 , ▁ 1 8 1 6 , ▁he ▁was ▁promoted ▁to ▁his ▁majority ▁and ▁transferred ▁to ▁the ▁Se vent h ▁Infantry . ▁In ▁ 1 8 1 8 ▁he ▁was ▁in ▁charge ▁of ▁the ▁rec ruit ing ▁station ▁at ▁Philadelphia ▁se cur ing ▁rec ruits ▁for ▁the ▁Sem in ole ▁War ▁in ▁Florida . ▁During ▁that ▁war ▁he ▁was ▁act ively ▁engaged ▁in ▁assemb ling ▁and ▁furn ishing ▁r ations ▁and ▁equipment ▁to ▁the ▁soldiers ▁in ▁Florida ▁and ▁commanded ▁troops ▁in ▁Florida ▁and ▁Georgia . ▁He ▁was ▁later ▁in ▁command ▁of ▁the ▁Se vent h ▁Military ▁Department ▁with ▁headquarters ▁at ▁Fort ▁Scott , ▁Georgia . ▁ ▁On ▁June ▁ 1 , ▁ 1 8 1 9 , ▁N icks ▁was ▁commission ed ▁lieutenant ▁colon el ▁and ▁exactly ▁two ▁years ▁later , ▁after ▁th ir teen ▁years ▁of ▁service ▁in ▁the ▁army , ▁he ▁received ▁his ▁honor able ▁dis charge . ▁On ▁September ▁ 2 8 , ▁ 1 8 2 1 , ▁he ▁was ▁appointed ▁s ut ler ▁to ▁the ▁Se vent h ▁Regiment ▁then ▁at ▁Fort ▁Jes