A few dates related to Jean Ribault

Between 1515 and 1520: birth (no official record was found)
1555, 1557, 1560: several maritime campaigns against the Flemish who were vassals of the Spanish crown in the conflict opposing Henri II’s France to Philip II’s Spain.
February 18, 1562: Jean Ribault departs France via Le Havre de Grâce (now Le Havre), for an exploratory and sovereignty expedition for France in the New World.
April 29-May 1, 1562: arrival in Florida. First French settlement in Charles Fort (in nowadays South Carolina).
June 11, 1562: Jean Ribault sails back to France to report his discovery, with the goal of returning to Florida with colons, primarily Huguenots who would find a safe haven during the troubled times of the Wars of Religion in France. Back on July 20 in Dieppe then occupied by Huguenots who don’t recognize the Crown’s authority, Jean Ribault joins them. But the city surrenders to the King in October. Jean Ribault, along with other local dignitaries, flees to England.
1563: Jean Ribault is in England and offers his services to the queen Elisabeth the first. He publishes the account of his trip to Florida in English in London. The Queen, getting world of the perilous situation of the small garrison left behind in Florida, offers to launch an expedition under Jean Ribault’s command. But the sailor does not want to serve England. He is imprisoned in the Tower of London. He will escape and return to France in 1565.
1564: second French expedition, without Jean Ribault. René de Laudonnière establishes the fort La Caroline at the mouth of the Fleuve de May, nowadays St John’s River.
May 26, 1565: new sailing of Jean Ribault for Florida, for a settlement expedition.
Second half of August 1565 (August 28?): arrival on Florida’s coast.
September 20 1565: Fort Caroline, protected only by a small garrison under the order of Laudonnière, falls to the Spanish who slaughter everyone who could not escape.
End of September 1565: assassination and death in Matanzas (South of de Saint Augustine), of Jean Ribault and the majority of the French who had stayed with him, a storm having caused them to lose their ship and to fight on land.