Complex sentence: After extinguishing with difficulty a fire in his ship, he sailed to Greenland, where he exchanged commodities with the Esquimaux, 8 July then proceeded to Fort Nelson, and wintered in Hayes River.
Split into simpler sentences: After extinguishing with difficulty a fire in his ship, he sailed to Greenland, where he exchanged commodities with the Esquimaux on 8 July. He then proceeded to Fort Nelson, and wintered in Hayes River.