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The list below includes links to articles with further details for each decade, century, and millennium from 15,000 BC to AD 3000.
Sep 10, 2024 · ‘Millennia’ is preferred in formal writing and is derived from the Latin word ‘millennium’, meaning ‘thousand years’. On the other hand, ‘Millenniums’ is used in less formal contexts and is more common in spoken English.
A millennium (pl. millennia or millenniums) is a period of one thousand years or one hundred decades or ten centuries, [1] [2] sometimes called a kiloannum (ka), or kiloyear (ky).
- What Comes After “Decade,” “Century,” and “Millennium”?
- How Many Years Is A “Decade”?
- How Many Years Is A “Century”?
- How Many Years Is A “Millennium”?
- What Is A Period of 10,000 Years called?
- What Is A Period of 100,000 Years called?
- What Is A Period of 1,000,000,000 Years called?
- What Are 20 Years called?
- What Is Every 30 Years called?
- What Is A Period of 50 Years called?
“Decade” is ten years, “century” is one hundred, and “millennium” is one thousand. After that, we can use words like Epoch for one million years and “Aeon” for one billion years. There aren’t many official words for other year types like 10,000 years, but we do have some unofficial variations. Typically, official counting after millenniums is not p...
A decade is ten years in length. It’s one of the most common ways to reference ten-year periods, and we can use it to show that a certain amount of time has passed. The definition of “decade,” according to The Cambridge Dictionary, is “a period of ten years, especially a period such as 2010 to 2019.” You might be familiar with common phrases like “...
A century is one hundred years. We use it whenever one hundred years have passed (i.e. from 2000 to 2100). It’s common to use this in history books to reference certain times when wars took place. The definition of “century,” according to The Cambridge Dictionary, is “a period of 100 years.” In most cases, we say the century that’s one above what y...
A millennium is one thousand years. We are technically in the third millennium in time, but it’s rare for time to be spoken about in this way. The definition of “millennium,” according to The Cambridge Dictionary, is “a period of 1,000 years, or the time when a period of 1,000 years ends.” Millennium is much less common than a decade or century, bu...
If you follow the same Latin words are trends, then 10,000 years would be called the Decem millennium. While this is not the official name, it makes sense to refer to it in this way since we use Latin words to demonstrate every other type of year.
Likewise, we can use Latin phrases to come up with the Centum millennium for 100,000 years. Again, it’s uncommon to see it used in any way since most people would rather use “one hundred thousand years” over the Latin form.
One billion years is called an Aeon. It’s a well-known phrase that is used in certain scientific books or fantasy novels and games. While it’s not common to talk about one billion years in most contexts, we can attribute “Aeon” to the amount of time if needed.
A period of 20 years is known as a vicennial. However, this is not a common phrase, and many native speakers don’t know about it. Instead, most people simply use “two decades” to refer to a period of twenty years.
“Tricennial” is the correct term for 30 years. Again, this is not common, and many native speakers don’t know about the Latin form. Instead, they would simply use “three decades” if they wanted to talk about this period of time.
You might be noticing a pattern here, and 50 years tend to follow the same idea. Technically, 50 years is known as a semi-centennial. This refers to fifty years of time but is a Latin form that many native speakers don’t know about. Instead, they would either say “five decades” or “half a century.”
Oct 4, 2024 · Do you ever wonder what millennium we’re living in right now? Is it the 2nd millennium, the 3rd millennium, or maybe the 27th millennium? Well, let me clear things up for you and give you the definitive answer.
The earliest known use of the noun millennium is in the mid 1600s. OED's earliest evidence for millennium is from before 1638, in the writing of Joseph Mede, Hebraist and biblical scholar.
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Jul 12, 2011 · The words million and millennium are formed differently and so mean different things. Millennium is a Latinate compound of mill-meaning "thousand" and -ennium, meaning "year". (Compare related compounds such as biennium or centennial). Its meaning follows straightforwardly from its composition.
