March

Halley´s approach. April 10, 1910.

Comet Halley, officially designated 1P/Halley, is a short-period comet visible from Earth every 75–76 years. Halley is the only known short-period comet that is regularly visible to the naked eye from Earth, and the only naked-eye comet that might appear twice in a human lifetime. Halley last appeared in the inner parts of the Solar System in 1986 and will next appear in mid-2061 to 2062. Halley’s returns to the inner Solar System have been observed and recorded by astronomers since at least 240 BC. Clear records of the comet’s appearances were made by Chinese, Babylonian, and medieval European chroniclers, but, at those times, were not recognized as reappearances of the same object. The comet’s periodicity was first determined in 1705 by English astronomer Edmond Halley,...

Minervina and Fausta. March 31,307.

Minervina was the first wife of Constantine the Great. Constantine either took her as a concubine or married her in 303 AD, and the couple had one son, Crispus, also known as Flavius Claudius Crispus and Flavius Valerius Crispus, who later would be a Caesar of the Roman Empire. Constantine served as a hostage in the court of Eastern Roman Emperor Diocletian in Nicomedia, thus securing the loyalty of his father Constantius Chlorus, Caesar of the Western Roman Empire. When Constantine wanted to strengthen his bonds with the other Tetrarchs, in 307 AD he set aside Minervina and married Fausta, daughter of Augustus Maximian. The marriage of Constantine to Fausta has caused modern historians to question the status of his relation to Minervina and Crispus. If Minervina was his legitimate wife, C...

Cabral lands foot in Brazil. April 22, 1500.

On 15 February 1500, Cabral was appointed Capitão-mor (literally Major-Captain, or commander-in-chief) of a fleet sailing for India. It was then the custom for the Portuguese Crown to appoint nobles to naval and military commands, regardless of experience or professional competence. Cabral became the military chief, while far more experienced navigators were seconded to the expedition to aid him in naval matters. The most important of these were Bartolomeu Dias, Diogo Dias and Nicolau Coelho. They would, along with the other captains, command 13 ships and 1,500 men, of which 700 were soldiers, although most of them had no combat experience. The fleet had two divisions. The first division was composed of nine naus (carracks) and two round caravels, and was headed to Calicut in India with th...

Beware the Ides of March. March 15, 44 BC.

“Cowards die many times before their deaths. The valiant never taste of death but once. Of all the wonders that I yet have heard, It seems to me most strange that men should fear, Seeing that death, a necessary end, Will come when it will come.” Julius Caesar (Act II, Scene 2, Julius Caesar, William Shakespeare)   By 44 BC Gaius Julius Caesar was the most famous and controversial man in Rome. A populist political star and great writer, he excelled in the military realm as well, pulling off a lightning conquest of Gaul – roughly, France and Belgium – as well as invading Britain and Germany (58–50 BC). When his enemies, the old guard in the Senate, removed him from command, Caesar invaded Italy. He went on to total victory in a civil war (49–45 BC) that ranged across the Mediterranean. ...

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