The dedication of the cathedral of Florence was celebrated by Pope Eugenius IV and the papal chapel, then resident in Florence. The Pope's magister capellae (master, or leader, of the chapel) was then Guillaume Dufay, a native of the region of Cambrai in northern France.
A Dedication by Dufay This isorhythmic motet, "Nuper rosarum flores", was composed by Dufay for the dedication of the cathedral of Santa Maria del Fiore.
The moon was in the first quarter that night.
Sunrise in Florence was at 6:02 AM and sunset was at 6:09 PM.
Sunrise in Cambrai was at 6:02 AM and sunset was at 6:09 PM.