Ayllón's 600 colonists, most likely on the Georgia coast — including the first enslaved Africans in the future United States, who rebelled.
Collapsed within about three months; only ~150 survivors returned to Hispaniola.
The classic account of Ayllón's 1526 colony, the first with enslaved Africans in the future United States (reprint of the 1901 history).
Places Gualdape within Spain's failed Atlantic-coast ventures (broad context).