Historical eventDecember 7574

Justin II

Suffering from mental illness, Eastern Roman emperor Justin II had his general Tiberius proclaimed Caesar, adopting him as his own son.

In context

When
Friday, December 7 5741452 years ago
Category
Historical eventA dated happening — a battle, treaty, launch, discovery, disaster or decision — recorded on this calendar day.
Era
6th century · 570s
Calendar
Julian — as recorded at the time
Recorded from
Wikipedia “On this day” feed

Dates before 15 October 1582 are in the Julian calendar, so the weekday shown follows the Julian reckoning of the time.

At a glance

Dates: From 574.

What happened

Suffering from mental illness, Eastern Roman emperor Justin II had his general Tiberius proclaimed Caesar, adopting him as his own son.

December 7 through the years

Other entries on the same calendar day, in order.

  1. 574Justin II
  2. 2003Conservative Party of Canada
  3. 2005Killing of Rigoberto Alpizar
  4. 2011Al Anbar Governorate
  5. 2014Furry convention
  6. 2015JAXA
  7. 2016Pakistan International Airlines Flight 661
  8. 20172017 Aztec High School shooting
  9. 2024Fall of Damascus (2024)
  10. 2025Lando Norris
  11. 20252025 Beninese coup attempt

Sources

Cite this page

“Justin II”, What's On This Date, https://whatsonthisdate.com/app/event/justin-ii-574-december-7, accessed October 28, 2026.

Cite the underlying source as well — the source links above go to the record this entry is adapted from.

Questions about this entry

When did Justin II happen?

December 7 574 — 1452 years ago, on a Friday.

Is this a Julian or a Gregorian date?

It is the date as recorded at the time, on the Julian calendar. The Gregorian equivalent falls about ten days later; sources from different countries may give either.

Where does this text come from?

Wikipedia “On this day” feed. Summaries are short adaptations that link back to the source, not reprints.

How do I cite this page?

Use the ready-made citation near the sources at the bottom of the page, and follow the source link to cite the underlying record as well.

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