Allright guys, we'd all like to see our like corner of the world as a great Empire in Civ4...
But let's get focused:
The choices for the civ's in Civ1-3 are simple: (1) Dominating impact on other civs and (2) presence in an era.
(1) Meaning: A civ is not included when it didn't have any effect on other civs. Just pick a few: America, Rome, Germany, China.
America: American Power since the early 19th century, dominating power since 1945. Nobody can deny its dominating effect on the world, if you like it or not.
Rome: Dominating power in Europe during the ancient age. Influence in Africa and Asia.
Germany: Germanic tribes destroyed Rome. Pre-German nations had average influence in Europe during the middle ages. Prussia became a major power in 1763 (after the 7-year-war) and Germany became a major industrial power between 1871 and 1945. Germany started two world wars...
China: A continued history of 5000 years. Dominating power in Asia for most of that time. Explorer reached out to East Africa, India, Middle East. Great scientific achievements that spread throughout the world (like gunpowder).
(2) Presence in an era: Meaning that this particular civ had an impact in an era. Take four others: Mongols, Sumerians, Celts, Netherlands.
Mongols: Conquered nearly everything between Hungary and Vietnam during the middle ages. Greatest empire in world history. Presence: Middle ages. Pre-mongols were the huns who attacked China during 200 BC and 20 AD and Rome in 450 AD.
Sumerians: First people to develop writing, monarchy, administration, cities combined. Great impact on middle east-nations which were the first civilizations on this world (Ubaid-culture being pre-sumerian, 6000 BC).
Celts: Dominated western and southern Europe in the ancient age, pre-roman time. Fought them (Rome) more than 500 years, Scotland and Ireland were never conquered.
Netherlands: First nation in Europe to have big trade cities. More or less developers of capitalism. Also: Many colonies, including some in America (New York was once known as New Amsterdam).
So - I have no problem with 400 civs in Civ4. But can REALLY say, that a very important civ was just ignored in the civ's before? I'm interested in history, modern and ancient, but I think that the civ-designers made an acceptable compromise in their choices.