Son of a physician.
His father died with Tomaso was young.
Tutor to two leading Florentine houses where he met humanist scholars and became involved in their movement.
Received a degree in theology at Bologna in 1422.
Travelled through Germany, France and England, studying and collecting books.
Attended the Council of Ferrara-Florence in 1444.
Bishop of Bologna, Italy.
Papal legate to Franfurt with a mission to strengthen ties between the papacy and the Holy Roman Empire.
Created cardinal-priest of Santa Susanna in December 1446.
Chosen 208th pope, taking the name Nicholas in honour of his benefactor Bishop Nicholas Albergati.
Made the Concordat of Vienna with Frederick III on 17 February 1448 by which the Germans remained faithful to the Roman Church, and Frederick was assured the crown of the Empire.
Obtained the 7 April 1449 resignation of anti-popeFelix V, ending the Council of Basel.
Held a jubilee in Rome in 1450.
At the request of James II of Scotland, he issued a Bull, 1450-1451, providing for the foundation of the University of Glasgow.
Granted self-government to Rome, and made it a center for artists, craftsmen, and artisans; patron of humanist artists, scholars and writers.
Reformed clerical abuses in France and Germany.
Crowned Frederick III as Holy Roman Emperor in 1452, the last time the coronation occurred in Rome.
Commissioned Fra Angelico to work on the Vatican buildings; reinforced Rome's fortifications and paved many of the streets.
Established the Vatican library and employed a small army of copyists.
Worked for re-unification with the Greeks, but failed.
Pope during the fall of Constantinople to the Ottoman Turks in 1453.