Sentence:  Bailly , after leaving Fort Snelling in August 1821 , was forced to leave some of the cattle at the Hudson's Bay Company's post on Lake Traverse `` in the Sieux Country '' and reached Fort Garry , as the Selkirk Hudson's Bay Company center was <WSD>now</WSD> called , late in the fall . 
Meaning of the word marked with <WSD> tags:  in the historical present; at this point in the narration of a series of past events