I put together a short document in outline format with some basic info about Eberron. It loses its formatting when pasted here, so you'll have to put in tabs, boldface, italics, and whatever else you need.
Eberron Basic World Stuff – for the Player Characters
Days of the Week
1 Sul
2 Mol
3 Zol
4 Wir
5 Zor
6 Far
7 Sar
MONTHS OF THE YEAR
Correspond to the 12 known moons of Eberron; the Ring of Syberys is not associated.
Month Season Dragonmark
1 Zarantyr Mid-winter Storm
2 Olarune Late-winter Sentinel
3 Therendor Early-spring Healing
4 Eyre Mid-spring Making
5 Dravago Late spring Handling
6 Nymm Early summer Hospitality
7 Lharvion Mid-summer Detection
8 Barrakas Late summer Finding
9 Rhaan Early autumn Scribing
10 Sypheros Mid-autumn Shadow
11 Aryth Late autumn Passage
12 Vult Early winter Warding
CONSTELLATIONS (Gods of the Dragons)
Skill: Knowledge (arcana or history) – Constellations are Dragon associated...
1 Aasterinian Invention and trade
2 Astilabor Wealth
3 Bahamut Protection and good fortune
4 Chronepsis Fate and prophecy
5 Falazure Death and decay
6 Garyx Chaos and destruction
7 Hlal Humor
8 Io Magic and knowledge
9 Lendys Justice and law
10 Tamara Life
11 Tiamat Greed and power
*Eberron, Khyber, Siberys are not constellations and represent the earth, underdark, and sky according to legend.
MONEY
1000 Copper Crowns =
100 Silver Sovereigns =
10 Gold Galifars =
1 Platinum Dragon.
HISTORY OF EBERRON
Current year is 998 (YK) from the founding of the kingdom of Galifar.
HISTORY CHECKS (Page 224-225 ECS) Score DC Information about...
5 Last 5 years
10 Current Age
15 Age of Monsters
20 Age of Giants
25 Age of Demons
30 Age of Dragons
GEOGRAPHY
Skill: Knowledge (Geography): DC Info about...
5 National capital or metropolis (Sharn)
10 City, major fortress, or environmental feature (the King’s Forest, Sterngate)
15 Village or town, smaller fortress or feature (Black Pit, Argonth)
20 Hamlet or thorp, obscure fortress or feature (Ringbriar, The Dragon's Crown)
A successful skill check means you can point to the location on the map and you know basic details about it: primary industries, size, most common race among the population, form of law. More detailed information may require a higher check or Knowledge (local).
DC Modifier Information is...
+ 0 Trivial (the name of a city)
+ 5 Slightly difficult (the name of the mayor of Sharn)
+ 10 Challenging (the names of all of the city councilors in Sharn)
+ 15 Obscure (the names of the councilors' spouses)
+ 20 Very Obscure (names of the councilors' spouses during the reign of King Jarot)
PLANES OF EXISTENCE
Eberron (Material Plane)
Ethereal Plane (Contacts Eberron)
Plane of Shadow (Contacts Eberron)
Astral Plane (Contacts Eberron; planes revolve through this)
Other Planes below revolve around Eberron and can contact, wax/wane or be remote
Daanvi, the Perfect Order (like Manual of Planes - Arcadia)
Dal Quor, the Region of Dreams
Dolurrh, the Realm of the Dead (a dreary realm where mortal souls go after death)
Fernia, the Sea of Fire
Irian, the Eternal Day (positive plane)
Kythri, the Churning Chaos
Lamannia, the Twilight Forest
Mabar, the Endless Night
Risia, the Plane of Ice
Shavarth, the Battleground
Syrania, the Azure Sky (realm of angels)
Thelanis, the Faerie Court
Xoriat, the Realm of Madness
DRAGONMARKS & DRAGONMARKED HOUSES
Identification Skill: Spellcraft. Aberrant Feat mark (DC18), Least mark (DC15), Lesser mark (DC20), Greater mark (DC25) Syberys mark (DC30)
Mark House Race Influence
Detection Medani Half-elf Warning Guild
Finding Tharashk Half-orc,Human Finders Guild
Handling Vadalis Human Handlers Guild
Healing Jorasco Halfling Healers Guild
Hospitality Ghallanda Halfling Hostelers Guild
Making Cannith Human Tinkers & Fabricators Guilds
Passage Orien Human Couriers & Transportation Guilds
Scribing Sivis Gnome Notaries & Speakers Guilds
Sentinel Deneith Human Blademarks & Defenders Guilds
Shadow Phiarlan Elf Entertainers & Artisans Guilds
Shadow Thuranni Elf Entertainers/Shadow Network
Storm Lyrandar Half-Elf Windwrights & Raincallers Guilds
Warding Kundarak Dwarf Banking & Warding Guilds
House Colors – GM’s Interpretations
Cannith (Making, Humans) Gorgon. Red and Gray. Anvil and Hammer or Gear.
Deneith (Sentinel, Mercenaries, Guards, Humans) Chimera. Gold and Green. Doubledagger in gauntlet fist.
Ghallanda (Hospitality. Halflings). Jackal. Gold and Purple. Wheat and Grapes.
Jorasco (Healers, Halflings). Griffon. Green and Silver. Acorn or Mace.
Kundarak (Warding, Dwarves). Manticore. Red, orange, and yellow. Flames, Axes and interlockig silver rings.
Lyrandar (Storm, Half-Elves). Tentacles. Silver and Blue. Lightning
Medani (Detection, Half-Elves) Basilisk. Orange and Blue. Eyes.
Orien (Passage, Humans). Unicorn. Purple and Silver. Crescent moon.
Phiarlan (Shadow, Elves). Hydra. Red and black. Sword or Leaf.
Sivis (Scribing, Gnomes). Cockatrice. Red and Silver. Scroll, Candle, and Quill or Ruby.
Tharashk (Finding, Humans, Half-orcs) Dragonne. Red and Gold. Thorns, Pick and Dowsing rods.
Thuranni (Shadow, Elves). Displacer Beast. Dark Green, Green, and Blue. Flail.
Vadalis (Handling, Humans). Hippogriff. Green and Silver. Spear and Tree.
Other Heraldry
Breland – Black Bear. Black, gold, red. Gold dragons, holly berries, halberd and scythe.
Sharn – Three silver towers. Blue, gold, and silver. Crossed gold keys.
Cyre – Field of green, a crown and bell. A hammer and bellows.
Zilargo – X-crossed scrolls separating four gems (types vary)
KINGDOMS OF KHORVAIRE
The Five Nations
Breland – Agriculture, Urban/Industrial, Cosmopolitan. Humans, Gnomes, Half-Elves.
King Boranel, Parliament of Lords and Commons. Adventurers, Explorers.
Sharn: “City of Towers.” Metropolis. Adventurers, Morgrave U, “Gateway to Xendrik.” Most cosmopolitan city in the world. Shoppers’ delight.
Aundair – Agriculture, Education. Mage School “Arcane Congress.” Grain, Wine, Horses, Cheese, Books. Humans, Half-Elves, Elves. Queen Aurala. Mages.
Cyre – Art, Culture, Fashion, Scientific Progress. Prince Oargev in Breland. Bards.
The Mournland – Warped magic, plants and animals; Warforged Congregation.
Thrane – Theocracy, Crafts, Wool, Textiles. Humans, Half-Elves, Dwarves. Keeper of the Flame Jaela Daran (11 years old). Nominal Queen Diani. Clerics and Paladins.
Karrnath – Lumber, Textiles, Ale, Grain, Livestock. Humans, Dwarves, Halflings. King Kaius III. Undead soldiers. Military society. Fighters, Necromancers.
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Thronehold – Ancient island capitol of Galifar. Castle guarded, but city is neutral and a haven for intrigue between all kingdoms and dragonmarked houses.
Droaam – Mercenaries, Chaos. Gnolls, Orcs, Goblins. Three Hag rulers.
Eldeen Reaches – Haunted Forest, Agriculture, Animal Husbandry. Humans, Half-Elves, Shifters. Druids. Formerly part of Aundair.
Shadow Marches – Dragonshards, Herbs. Orcs, Humans, Goblins. Orc tribes.
Demon Wastes – Badlands, ruined soil. Humans, Orcs, Demons. Barbarians.
Zilargo – Education, Alchemy, Gems. Gnomes, Humans, Dwarves. Korranberg Library.
Darguun – Mining, Ore, Slavery. Clan warfare. Goblins, Hobgoblins, Bugbears.
Valenar – Horses, Mercenaries. Elves, Humans, Half-Elves. Warrior culture and Farmers.
Talenta Plains – Crafts, Art. Halflings, Humans, Changelings. Nomads and Farmers.
Q’Barra – New Frontier, Idealistic. Dragonshards. Lizardfolk, Humans, Kobolds.
Mror Holds – Banking, Ore, Gems, Crafts. Dwarves, Humans, Orcs. Dwarf clans.
Lhazaar Principalities – Ships, Mercenaries, Trade Goods. Pirates and Merchant Princes. Humans, Gnomes, Half-Elves.
Other continents:
Xendrik – Relics. Jungles, Ruins of the Giants’ civilizations, Drow tribes.
Aerenal – Rare woods. Undying Court of the Elves.
Argonessen – Dragons, barbarian tribes.
Sarlona – Mystics, Insular Humans.
Other Areas:
Ring of Siberys – Surrounding the planet, Siberys Dragonshards enhance Dragonmarks.
Eberron – The surface world. Eberron Dragonshards hold magic.
Khyber – The Underworld. Khyber Dragonshards bind elementals and trap souls.
WELL-KNOWN ORGANIZATIONS
Arcane Congress – In Aundair. Mage School.
The Twelve – Joint Organization of the Dragonmarked Houses.
Wayfinder Foundation – Invitation only renowned explorers and adventurers.
Order of the Emerald Claw – Extremist “knights” of Karrnath, now outlawed.
Lords of Dust – Fiends who once ruled the lands. Enemies: Silver Flame Church.