patronage

The Arch of Constantine. July 25, 315.

The Arch of Constantine was erected to commemorate Constantine I’s victory over Maxentius at the Milvian Bridge that took place on 28 October 312. The Battle took its name from the Milvian Bridge, an important route over the Tiber. Constantine won the battle and started on the path that led him to end the Tetrarchy and become the sole ruler of the Roman Empire. Maxentius drowned in the Tiber during the battle; his body was later taken from the river and decapitated, his head paraded through the streets of Rome on the day following the battle. According to chroniclers such as Eusebius of Caesarea and Lactantius, the battle marked the beginning of Constantine’s conversion to Christianity. Eusebius of Caesarea recounts that Constantine and his soldiers had a vision sent by the Chr...

The Galilean Moons. January 7, 1610.

As a result of the improvements Galileo Galilei had made to his telescope, now with a magnifying capability of 20x, he was able to observe celestial bodies more distinctly than it had been ever possible. On January 7, 1610, Galileo wrote a letter in which he mentioned Jupiter´s moons (actually known as the Galilean Moons) for the first time. At the time, he saw only three of the four and believed them to be fixed stars near Jupiter. In later observations he discovered the fourth moon and observed that they were not fixed stars, but rather bodies orbiting Jupiter. In 1605, Galileo had been employed as a mathematics tutor for Cosimo de’ Medici, and seeking patronage from his now-wealthy former student and his powerful family, used the discovery of Jupiter’s moons to gain it. On F...

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