Queen of France and one of the most interesting figures of the 16th century. He/She was born in Florence in 1519, for the marriage of Lorenzo II de Medici and Magdalena of the Tour d'Auvignan. It was orphaned of father and mother, and his youth was spent in Rome, in the Palace of the Medici, under the tutelage of his uncle Pope Clement VII. In 1533, he/she married the son of Francisco I, the future Henry II, King of France, which had ten children. In the French court Catalina lived humiliated because of the marriage of her husband with Diana of Poitiers, who was the real sovereign during the life of Enrique II.
His son major Francisco II succeeded to Enrique II, but for his delicate health, not could fully exercise the functions of the King, so Catherine assumed the role of Regent. Since that time had to deal with the two houses who sought to obtain the guardianship of the young King: the Bourbons and the guises. The guises personified the Catholic party, while the Bourbons accounted for the Huguenots. Catherine tried to handle one and others, practicing a policy of balance, trying to establish a regime of tolerance among Catholics and Calvinists. But this policy brought him the enmity of two powers: England and Espana.al die Francisco II, did Carlos IX, minor, attributing the Regency his mother, who, seeing how much the power of the guises, had elevated tried to raise the power of the Huguenots, which blew up a climate of persecution and murders, by Huguenots and Catholics.On the occasion of the wedding of Henry of Navarre and Margarita de Valois, daughter of Catherine, there was a concentration of Huguenots in Paris and then took place the famous massacre of Huguenots, known under the name of Noche de San Bartolomé, by order of the Queen.After the death of Carlos IX, he/she held the Regency of Catherine, who ruled until the arrival of his son Enrique III, who made her living separated from the throne. Catalina exhausted by the weight of the years and for a great bitterness, died at Blois in 1589.