The latest IGN article on BtS (5 July 2007) includes a brief synopsis of RFC and a screenshot:
http://uk.pc.ign.com/articles/801/801206p2.html
EDIT: The author of the IGN article has changed the "OR"s into "AND"s.
http://uk.pc.ign.com/articles/801/801206p2.html
- There are two starting dates: either 3000BC or 600AD.
- The Maya's Victory condition: discover Calendar by 600AD, don't lose a single city before the Industrial Age.
- The article uses the conjunction "OR" to list the various victory conditions. Example:
England can win by getting three cities on each continent, being the first to circumnavigate the globe, or being the first civilization to enter the Industrial and Modern eras.
EDIT: The author of the IGN article has changed the "OR"s into "AND"s.