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26 votes

Why does the first decade of the 21st century start with 2000?

A decade is simply a time span of 10 years and a century a span of 100 years. The start dates of each are determined by how they are being used. The first decade of 21st century is 2000s I think ...
KillingTime's user avatar
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20 votes
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Which specific day of 1964 was the tree Prometheus (WPN-114) cut down?

An article in the Los Angeles Times gives a date in August... The tree, called Prometheus, took root at the dawn of the Bronze Age, centuries before the ancient Egyptians began construction on the ...
Steve Bird's user avatar
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12 votes
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What is the approximate date of this photo?

I think we can narrow down your date-range to 1891-1903. According to the Directory of London Photographers, 1841-1908, by Michael Pritchard, Hermann Ernst's studio was only in St. Johns Wood between ...
sempaiscuba's user avatar
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11 votes
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What date did Henry Morgan capture his most famous flagship, the "Satisfaction"?

Le Cerf Volant, a 14-gun warship, was probably captured in late December 1668 (New Style date) by Edward Collier while commanding the Oxford. Collier seized the French ship at Cow island while it was ...
Lars Bosteen's user avatar
10 votes

Did the discovery of zero affect our calendar and how we count days? Are we off by a tenth?

Most folks are used to positional numbers meaning they have a position to indicate the number of ones, the number of tens, the number of hundreds, and so on. The common Hindu-Arabic numerals are ...
Schwern's user avatar
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8 votes
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How many days have elapsed since October 23, 4004 B.C.?

This is a job for Julian day numbers. Julian day is the continuous count of days since the beginning of the Julian Period and is used primarily by astronomers, and in software for easily calculating ...
MAGolding's user avatar
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7 votes
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When did Albertus Magnus write 'On Animals'?

De animalibus was a huge undertaking and took Albertus Magnus several years to write. When exactly he was writing it is unknown (as are many details of his life), but he probably began it around the ...
Lars Bosteen's user avatar
7 votes

Is Armenia the first Christian state?

The ancient state of Osroene did it earlier Regardless of the validity of the claim that Armenia became Christian in 301 AD, it isn't the first. Osroene - at the time a client state of the Roman ...
SPavel's user avatar
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6 votes
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Tiberius, Augustus, and Eusebius

Most likely Eusebius was dating Augustus' reign from the time he was named Consul and recognized as the son of Julius, in 44 BC, or from the power-sharing agreement made with Marc Antony in 43 BC. ...
pokep's user avatar
  • 1,805
6 votes

Why is artist Heinrich Kley's death date unknown?

It is known. Just the English Wikipedia does not mention it. The German one does: Shortly before the end of the war, February 8 1945, in Nymphenburger hospital in Munich. Confirmed by a more reliable ...
LаngLаngС's user avatar
  • 80.9k
5 votes

How can I check/get a BCE calendar for a particular year?

The Gregorian calendar has a leap year cycle of 400 years = 146097 days. Since this happens to be a whole number (20871) of weeks, any date will always be on the same day of the week as its 400th ...
dan04's user avatar
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5 votes

What date did Henry Morgan capture his most famous flagship, the "Satisfaction"?

As near as I can find, the Cour Volant was captured by Edward Collier in December 1668 at the Isle à la Vache, off the harbour of Aux Cayes in Hispaniola. Collier was, at that point commander of the ...
sempaiscuba's user avatar
  • 77.4k
5 votes

Did the discovery of zero affect our calendar and how we count days? Are we off by a tenth?

The base-10 Arabic number system you are using in your question also didn't exist back then. It couldn't have because, as you have noticed, the entire concept relies on having the concept of "0". The ...
T.E.D.'s user avatar
  • 120k
5 votes

Did the date of 9/11 have significance, or was it chosen randomly?

Don't know if Al Qaeda was conscious of it or not, but 11 September 1683 was the all-time high water mark of the advance of Muslim armies into Christendom, when the Ottoman Turks stood outside the ...
Timothy's user avatar
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4 votes
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How are dates in BCE ordered?

The order of months in a year does not change, neither does the order of days in a month. January in a particular year is always before December in the same year. So, for your example, 25 January 500 ...
sempaiscuba's user avatar
  • 77.4k
4 votes
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Accuracy of Ancient Dates of Persian/Middle East Based on Astronomy

All our system of exact dating of events of ancient history is based on Babylonian astronomical observations. There is a large number of astronomical cuneiform tables found in Mesopotamia. Only in ...
Alex's user avatar
  • 38.8k
4 votes

Did the discovery of zero affect our calendar and how we count days? Are we off by a tenth?

You are conflating the quantity or number zero, denoting none, with the numeral or symbol explicitly denoting the quantity of none, and represented in our Arabic Numeral system by '0' but also named ...
Pieter Geerkens's user avatar
4 votes

Why does the first decade of the 21st century start with 2000?

You're conflating mathematical precision with linguistic labeling. The first decade starts on January 1 of a year ending with a "0". The problem stems from the fact that when our dating system was ...
Mayo's user avatar
  • 257
3 votes

What is the history of "industrial date coding" (year followed by week number)?

(I'm not sure I've got an answer, but I've got some research that may help someone else find a better answer). The practice appears to be commonplace in European commercial and industrial ...
MCW's user avatar
  • 33.8k
3 votes

Was Nebuchadnezzar made King in a year other than 605 BC?

Nabu-kudurri-usur (Nebuchadnezzar II), was the oldest son of Nabu-apla-usur (Nabopolassar), founder of the 11th dynasty of Babylon. From the records, we know that he was born c634BC and died c562BC (...
sempaiscuba's user avatar
  • 77.4k
3 votes

How many days have elapsed since October 23, 4004 B.C.?

Days and years are based on two natural phenomena that are both completely disjoint and actually have varying jittering periods. So there's really no one answer to this. Add in the fact that nobody ...
T.E.D.'s user avatar
  • 120k
3 votes
Accepted

Which date is true?

You do realize, I hope, that Gregorian dates don't exist before 1582. The date difference with the Julian calendar was 11 days in the 1700's; and 11 centuries earlier, skipping the years divisible by ...
Pieter Geerkens's user avatar
2 votes

Today, do we celebrate anniversaries of events that happened in time of Julian calendar, on Julian date or at corresponding Gregorian date?

It depends. One obvious example is the October revolution in Russia, which took place on 7-th of November according to Gregorian calendar, but 25-th of October according to the Julian one, in use in ...
Roger V.'s user avatar
  • 4,062
2 votes

Today, do we celebrate anniversaries of events that happened in time of Julian calendar, on Julian date or at corresponding Gregorian date?

Celebrations or remembrances are a social event. Consider, for instance, Catholic and Eastern Orthodox religious calendars. Or the remembrance of VE day, which is one day later in Russia due to time ...
o.m.'s user avatar
  • 17k
2 votes

How many days have elapsed since October 23, 4004 B.C.?

This online calculator says 2,199,852 days. It says that the "Gregorian calendar is used for dates on and after October 15, 1582 A.D. and the Julian calendar is used before October 4, 1582". ...
Brian Z's user avatar
  • 21.4k
2 votes

What was Artaxerxes I ascension year?

Short Answer: I don't know when Artaxerxes I began to rule. Experts in ancient chronology should have a good idea. Long Answer: Monarchs reigned from the time the previous monarch died or otherwise ...
MAGolding's user avatar
  • 19.3k
2 votes

Did the date of 9/11 have significance, or was it chosen randomly?

Without suggesting there is any documented evidence of a connection, 9/11 was also the date of another recent aerial attack on the downtown of a major Western city, Pinochet's 1973 coup in Santiago, ...
Aaron Brick's user avatar
  • 27.6k
1 vote

Why does the first decade of the 21st century start with 2000?

Maybe this would help. Imagine that you have 2100 bottles of beer in 21 cases, with 100 bottles per case. From which case does the 2000th bottle come from - the 20th or the 21st? What about the 2001st ...
Michael's user avatar
  • 4,670
1 vote

Was Nebuchadnezzar made King in a year other than 605 BC?

I think you mean Nebuchadnezzar's 37th year. Eugene Faulstich has addressed and concludes it should be 569 BCE. Correction Veadar 569,not 568 BCE See also Faulstich essay Seleucid Astronomical ...
Larry Valin's user avatar

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