Global Diplomacy (GD) and Age of Discovery (AoD) are two variants of a play-by-emailwargame, run by E-Mail Games. The games simulate strategic-levelwarfare and diplomacy at a late-19th Century (c.1880) technology level. The smallest units are of corps and squadron size. Whereas Global Diplomacy (and Global Diplomacy 2) attempt to simulate a world war, on Earth during the era of New Imperialism, Age of Discovery uses a randomly created map and world. There are a couple other small differences between the two games.
... upheavals, in many parts of the island. The clays, which contain layers of good coal and an abundant fossil vegetation, show that during the Miocene period Sakhalin ...