Yvette Christianse (1999), Castaway, ISBN0822324210, ..Lopez and others had converted to Islam and sided with Moslem resistance to the Portuguese.
sainthelenaisland.info
New research published in 2015 has cast doubt on the traditional date of 21 May, suggesting 3 May as better fitting the historical facts - Ian Bruce, ‘St Helena Day’, Wirebird The Journal of the Friends of St Helena, no. 44 (2015): 32–46.[1]
