 Alternatively, Jan Rogoziński and Stephan Talty, in their histories of Morgan and piracy, record that during the year, Morgan oversaw the Port Royal militia and the defence of Jamaica; Fort Charles at Port Royal was partly constructed under his leadership.It was around this time that Morgan purchased his first plantation on Jamaica.In 1667 diplomatic relations between the kingdoms of England and Spain were worsening, and rumours began to circulate in Jamaica about a possible Spanish invasion.