Zitat
International trading became full-fledged in Generation IV, and was a much touted feature, with the linkage of the games to the Nintendo Wi-Fi Connection. Pokémon from foreign-language games would unlock international Pokédex entries if traded to a game of a different language; at first, only 14 Pokémon could do this, however, from Platinum onward, all Pokémon can potentially allow for foreign entries.
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