He came back in 1864 and landed on the coast, thinking he was at the of the mississippi river.

In late May 1539, de Soto landed on the In late May 1539, de Soto landed on the west coast of Florida with 600 troops, servants, and staff, 200 horses, and a pack of bloodhounds. From there, the army set about subduing the natives, seizing any valuables they stumbled upon, and preparing the region for eventual Spanish colonizationwest coast of Florida with 600 troops, servants, and staff, 200 horses, and a pack of bloodhounds. From there, the army set about subduing the natives, seizing any valuables they stumbled upon, and preparing the region for eventual Spanish colonization

I'm not 100 percent sure i say 7 is your answers