Millennium

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(Redirected from Millennia)

For other uses, see Millennium (disambiguation).

A millennium is a period of time, literally equal to one thousand years (from Latin mille, thousand, and annum, year). The term may implicitly refer to calendar millennia; periods tied numerically to a particular dating system, specifically ones that begin at the starting (initial reference) point of the calendar in question (typically the year 0 or the year 1) or in later years which are whole number multiples of a thousand years after it. This concept is the one primarily discussed in this article.

The term can also refer to an interval of time beginning on any date. Frequently in the latter case (and sometimes also in the former) it may have religious or theological implications (see Millenarianism). Especially in religious usage such an interval may be interpreted less precisely, being not necessarily exactly 1,000 years long.

In the common Western calendar, which lacks a year numbered zero and begins instead with the year 1, there are two main viewpoints about naming millennia. There was a popular debate leading up to the celebrations of the year 2000 as to whether 2000 was the beginning of a new millennium. Historically, there has been debate around the turn of previous decades, centuries, and millennia.

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Counting years

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Ordinal

The original method of counting years was ordinal, whether 1st year AD or regnal 10th year of King Henry VIII. This ordinal numbering is still present in the names of the millennia and centuries, for example 1st Millennium or the 20th century, and sometimes in the names of decades, e.g. 1st decade of the 21st century.

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Cardinal

In recent years, most people have moved to counting individual years as cardinal numbers, for example 1945 or 1998. The usage 1999th year AD is no longer found. This follows scientific usage, for example astronomical year numbering. As a result, some other calendar names have also moved to cardinals, e.g. 1980s is an acceptable name for a particular decade. However, 1600s could be understood as either a decade or a century.

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Ranges

Although the above change from ordinals to cardinals is incomplete or may never be completed, the main issues arise from the content of the various year ranges. Similar issues affect the contents of decades and centuries.

Those following ordinal year names naturally choose

2001-2010 as the current decade
2001-2100 as the current century
2001-3000 as the current millennium

Those following cardinal year names equally naturally choose

2000-2009 as the current decade
2000-2099 as the current century
2000-2999 as the current millennium

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Arbitrariness

As a side-note to the debate on timing of the turn of the millennium, the arbitrariness of the exact date deserves attention. Firstly, the widely-used Gregorian calendar is a (secular) de facto standard, but is based on a significant Christian event, the birth of Jesus; thus the foundation of the calendar has little or no meaning to any non-Christian celebrants. Additionally, the calendar is one amongst many still in use and those used historically. Secondly, adjustments and errors in the calendar (such as Dionysius Exiguus's incorrect calculation of AD 1) make the particular dates we use today arbitrary.

However, given that Gregorian calendar is an accepted standard, it is valid to discuss the significant dates within it, be it the timing of religious festivals (such as the moving date of Easter which Dionysius Exiguus was involved in calculating) or the delineation of significant periods of time, such as the end of a millennium.

Finally, although post-2000 the significance of the debate is greatly diminished, we have only to wait until the turn of the next decade, century or millennium for it to rear its head again.

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Viewpoint 1: xx01-xx00

Those holding that the new millennium should be celebrated in the transition from 2000 to 2001 (i.e. December 31 2000), argued that since the Gregorian calendar has no year zero, the millennia should be counted from AD 1. Thus the first period of one thousand complete years would be from the beginning of AD 1 to the end of AD 1000, and the beginning of the second millennium would be celebrated in the transition from 1000 to 1001. The second millennium would then end at the end of the year 2000.

Illustration of years with a 00-01 demarcation
2 BC	1 BC	AD 1	AD 2	3	4	5	...	998	999	1000	1001	1002	...	1998	1999	2000	2001	2002	...	2998	2999	3000	3001	3002
		First one thousand years (millennium)									Second millennium						Third millennium

Arthur C Clarke gave this analogy (from a statement received by Reuters): "If the scale on your grocer's weighing machine began at 1 instead of 0, would you be happy when he claimed he'd sold you 10 kg of tea?". Jeopardy! game show host Alex Trebek proudly welcomed his guests and contestants to the "first day of the twenty-first century" on the January 1, 2001 episode.

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Viewpoint 2: xx00-xx99

The "year 2000" has also been a popular phrase referring to an often utopian future, or a year when stories in such a future were set, adding to its cultural significance. There was also media and public interest in the Y2K bug. Thus, the populist argument was that the new millennium should begin when the zeroes of 2000 "rolled over", i.e. December 31 1999. People felt that the change of hundred digit in the year number, and the zeros rolling over, created a sense that a new century had begun. This is similar to the common demarcation of decades by their most significant digits, e.g. naming the period 1980 to 1989 as the 1980s or "the eighties". Similarly, it would be valid to celebrate the year 2000 as a cultural event in its own right, and name the period 2000 to 2999 as "the 2000s".

Illustration of years with a 99-00 demarcation (starting AD 1)
1 BC	AD 1	2	3	4	5	...	998	999	1000	1001	1002	...	1998	1999	2000	2001	2002	...	2998	2999	3000	3001	3002
	first millennium (999 years only)								second millennium						third millennium

Illustration of years with a 99-00 demarcation using Year zero
-1	0	1	2	3	4	5	...	998	999	1000	1001	1002	...	1998	1999	2000	2001	2002	...	2998	2999	3000	3001	3002
	first millennium (using year zero)									second millennium						third millennium

The majority of "millennium" celebrations were held at midnight on December 31, 1999 / January 1, 2000 reflecting the popular mood.

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Commentary

Stephen Jay Gould noted in his essay Dousing Diminutive Dennis' Debate (or DDDD = 2000) (Dinosaur in a Haystack) that celebrations and media announcements marked the turn into the 20th century along the 1900-1901 border (citing, amongst other examples, the New York Times headline "Twentieth Century's Triumphant Entry"). He also included comments on adjustments to the calendar, such as those by Dionysius Exiguus (the eponymous Diminutive Dennis), the timing of celebrations over different transitional periods, and the "high" versus "pop" culture interpretation of the transition. Further of his essays on this topic are collected Questioning the Millennium : A Rationalist's Guide to a Precisely Arbitrary Countdown.

In the editorial to 2002's Best American Essays Gould highlights the use of historical events, rather than transitional dates, to delineate periods of history: "Many commentators have stated — quite correctly in my view — that the twentieth century did not truly begin in 1900 or 1901, by any standard of historical continuity, but rather at the end of World War I, the great shatterer of illusions about progress and human betterment... I suspect that future chroniclers will date the inception of the third millennium from September 11, 2001."

(Similarly, some commentators delineate the Middle Ages from the Fall of the Western Roman Empire to the Fall of Constantinople.)

Douglas Adams highlighted the sentiment that those in favour of a 2001 celebration were pedantic spoilsports in his short web-article Significant Events of the Millennium. This sentiment was also demonstrated when, in 1997, Australian Prime Minister John Howard made a point in favour of the 2001 celebration and was named "the party pooper of the century" by local newspapers.

In an episode of the American sitcom Seinfeld entitled "The Millennium", it is revealed that the character Newman specifies the date of the millennium party that he is planning to be for the "millennium new year," meaning December 31, 2000. Thus Newman's party does not conflict with the party Kramer is planning for December 31, 1999, but will be perceived as "quite lame" according to Jerry, as the majority of people will be celebrating the new millennium on December 31, 1999.

In the The X-Files movie, Scully mentions that the new millennium doesn't start until January 1, 2001, to which Mulder responds "No one likes a math geek, Scully."

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