121

Events

By place

Roman Empire

• Roman settlement in present-day Wiesbaden, Germany is first mentioned.
• Hadrian fixes the border between Roman Britain and Caledonia on a line running from the River Tyne to the Solway Firth.
• The Temple of Venus is built in Rome.

Asia

• Era name changes from Yongning (2nd year) to Jianguang in the Chinese Eastern Han Dynasty.

Births

• April 26 — Marcus Annius Verus, later the Roman Emperor Marcus Aurelius

Deaths

• Cai Lun, Chinese inventor of paper and the papermaking process
• Empress Deng Suiaf:121

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