Explore the full date: Today in History – September 1.
September 1 | Why the Byzantine Year Began with the Indiction
September 1 became the opening of the Byzantine civil year and indiction cycle, a dating system woven into imperial administration, seals and chronicles.
ANCIENT HISTORY
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Germanicus Dies at Antioch: 10 October 19 CE
Germanicus died near Antioch on 10 October 19 CE. Rome mourned its popular general while accusations…
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The Temple of Apollo Palatinus Is Dedicated: 9 October 28 BCE
On 9 October 28 BCE, Octavian dedicated Apollo’s marble temple beside his Palatine residence, joining religion,…
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The Fast of Ceres: What Rome’s Calendar Records for October 4
The Calendar of Amiternum associates October 4 with the Fast of Ceres. That attested observance is…
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The Council of Chalcedon Opens on 8 October 451
The Council of Chalcedon opened on 8 October 451 and produced a defining Christological formula—while deepening…
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