23
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Millennium: | 1st millennium |
---|---|
Centuries: | 1st century BC – 1st century – 2nd century |
Decades: | 0s BC 0s 10s – 20s – 30s 40s 50s |
Years: | 20 21 22 – 23 – 24 25 26 |
23 (XXIII) was a common year starting on Friday of the Julian calendar, the 23rd year of the Common Era (CE) and Anno Domini (AD) designations, the 23rd year of the 1st millennium, the 23rd year of the 1st century, and the 4th year of the 20s decade. As of the start of 23, the Gregorian calendar was 2 days behind the Julian calendar, which was the dominant calendar of the time.
Events
Roman Empire
- Strabo publishes Geography. It covers the world known to the Romans and Greeks at the time of Emperor Augustus.
- Aelius Sejanus gains power in the Roman Senate and Tiberius.
- Gaius Asinius Pollio, Gaius Antistius Vetus become consuls
Asia
- Liu Xuan proclaims himself emperor against Wang Mang.
- Battle of Kunyang - troops under Liu Xiu defeat 450,000 of Wang Mang's troops
Births
- Pliny the Elder, Roman scientist and writer
Deaths
- September 14 – Drusus Julius Caesar, son of the Emperor Tiberius, poisoned
- October 6 – Wang Mang, Emperor of the Xin Dynasty