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Year 69 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Hortensius and Metellus (or, less frequently, year 685 Ab urbe condita ). The denomination 69 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe ...
The year 685 BC was a year of the pre-Julian Roman calendar.In the Roman Empire, it was known as year 69 Ab urbe condita.The denomination 685 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
All dates from this long ago should be regarded as either approximate or conjectural; there are no absolutely certain dates, and multiple competing reconstructed chronologies, for this time period. c. 2150–2040 BC – The First Intermediate Period of Egypt, a period of decline in Egyptian central power. [1]
A calendar era is the period of time elapsed since one epoch of a calendar and, if it exists, before the next one. [1] For example, the current year is numbered 2025 in the Gregorian calendar, which numbers its years in the Western Christian era (the Coptic Orthodox and Ethiopian Orthodox churches have their own Christian eras).
The Holocene calendar, also known as the Holocene Era or Human Era (HE), is a year numbering system that adds exactly 10,000 years to the currently dominant (AD/BC or CE/BCE) numbering scheme, placing its first year near the beginning of the Holocene geological epoch and the Neolithic Revolution, when humans shifted from a hunter-gatherer lifestyle to agriculture and fixed settlements.
It is estimated that every 100 million years, Earth will be hit by an asteroid about 10–15 km in diameter, comparable in size to the one that triggered the K–Pg extinction which killed dinosaurs 66 million years ago. [209] 500–600 million Anne Minard
To a century: This is a redirect from a year or decade to the associated century article. Years from 4000 to 1700 BC should redirect to the relevant century per Wikipedia:Timeline standards. Do not replace these redirected links with a link directly to the target page. Individual articles may be created for these years or decades in the future.
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