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40K date system? Race dates? important history dates confused!
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Old 18 Apr 2007, 20:02   #1 (permalink)
Shas'La
 
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Default 40K date system? Race dates? important history dates confused!

Okay I really want to step up my fluff standard so I need to learn about the dating system of the 40K universe.

What I really want is to know the year date fluff wise now and how all races write down dates.

Also important events dates:
The Fall
Horus Heresy
Armeggeddon
Eye of terror campaign
Medusa V campaign

and any other important ones (I'm leaning towards ork dates for this)

Thanks,
LeeStar
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Old 18 Apr 2007, 20:18   #2 (permalink)
Shas'Vre
 
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Default Re: 40K date system? Race dates? important history dates confused!

Well, for the first two there's only the vaguest of dates (sometime around the 31st millennium), but the last few are much better defined. Armageddon and EoT both took place in 999.M41, and although GW has given no official date for Medusa V (well they did, but then withdrew it), 006.M42 is the best figure we've had.

If it helps, it was the Fall of the Eldar that allowed the Great Crusade to happen - the Emperor was sitting in the Sol System with his fleets waiting for it. The Great Crusade lasted 200 years, then the Heresy lasted 10 years immediately after.

The year fluff-wise now, well we're not 100% and there are numerous threads discussing this, but since we're just past the Medusa V campaign I'd say 007.M42.

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Old 18 Apr 2007, 22:45   #3 (permalink)
Shas'Vre
 
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Default Re: 40K date system? Race dates? important history dates confused!

Ok, here's how the Imperial dating system works:

First you have what is called the "check number". This is used to denote a location, but is still important as it can help to account for weird time distortions caused by the warp. The number ranges from 0-9, 0 being the Sol System, and the numbers increasing with the psychic range from there. 9 is special, and indicates that you have no idea where the hell you are in relation to other stuff, or that you're using an alien dating system or something.

The next 3 digits are the year fraction, dividing every (Terran) year into 1000 equal fractions, numbered from 000 to 999. This is apparently only used for "administrative purposes", whatever the hell that means.

Next is the actual year number. This can range from 000 to 999 like the year fraction.

Next up you have a dot, then the millennium number. This is expressed as .M1, .M2, .M3 and so on.

To give you an example of how this all works, here's a hypothetical date:

1536999.M41

The "1" means that the source is in direct psychic contact with Terra, so is likely very close in galactic, perhaps in the Alpha Centauri system or something.

The "536" means that we're just over halfway through the year.

"999.M41" means we are in the final year of the 41st millennium. We would express it as 40,999 AD.

So, today's date (18th April) would be expressed as:

0296007.M3

All this is explained much better in the back of the 3rd edition rulebook (the one with the Black Templars on the cover).

On a related note, I've wondered what the 41st millennium humans thought of the year 0 AD, and if they wondered what its significance was. After all, I very much doubt they know about Jesus or anything like that.
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Old 19 Apr 2007, 03:58   #4 (permalink)
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Default Re: 40K date system? Race dates? important history dates confused!

According to The Iron Archives's Imperial Timeline (based off second and third edition fluff, mainly), the Eye of Terror codex, and Codex: Armageddon.

The Fall - 28,000-ish
Horus Heresy - 30,013
Armeggeddon -
1 - 40,474 (Chaos v Space Wolves and Grey Knights)
2 - 40,941 (Mr. Thraka's first bid)
3 - 40,999 (Mr. Thraka's second bid) (More specifically around 3453999.M41
Eye of terror campaign - 40,999

And I missed the whole Medusa V thing.

Hope some of this helped (and was correct),

-Grandpa Ducky
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Old 19 Apr 2007, 17:57   #5 (permalink)
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Default Re: 40K date system? Race dates? important history dates confused!

Here's a useful galaxy map if you like.
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Old 19 Apr 2007, 20:24   #6 (permalink)
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Default Re: 40K date system? Race dates? important history dates confused!

Aren't the dates split up when written thought so 1536999.M41 is 1 536 999.M41 Helps with reading I guess, because that coding is not a continuous number in its own right.

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Old 20 Apr 2007, 13:39   #7 (permalink)
Shas'Vre
 
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Default Re: 40K date system? Race dates? important history dates confused!

I can't say I've ever seen it written in that divided-up way, myself. Anyone got a reference for that?
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Old 23 Apr 2007, 10:02   #8 (permalink)
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Default Re: 40K date system? Race dates? important history dates confused!

Quote:
Originally Posted by Kasrkin
So, today's date (18th April) would be expressed as:

0296007.M3
365.25 days... 24 hours in a day... 8,766 hours in a year. That makes 8.77 hours per fraction (2 s.f.).

18th April is the 108th day... 108 days = 2,592 hours. 2,592 / 8.77 = 295.55 (2 s.f.) Round to 296.

Yup, 18th of April is indeed 0296007M3!
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Old 23 Apr 2007, 10:38   #9 (permalink)
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Default Re: 40K date system? Race dates? important history dates confused!

I might I have an old map that came out for the EoT in WD that is aimed at the EoT region it probably has the date.
Quote:
Originally Posted by Wargamer
That makes 8.77 hours per fraction (2 s.f.).
I'm not sure but is 8.77 3 significant figures with 8 being one and the two 7's being two. I could be wrong though.
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Old 23 Apr 2007, 10:45   #10 (permalink)
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Default Re: 40K date system? Race dates? important history dates confused!

It's been a long time since I did GCSE maths, but you're probably right. :P
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