East Sea is labeled but Jeju Island is Japanese territory?... Error in Canadian high school textbook

Explanation of colonization situation with notation error
Jeju-do and Nippon hondo colored in the same shade

A Canadian textbook has sparked controversy for labeling Jeju Island as Japanese territory.

A Canadian textbook is causing controversy for labeling Jeju Island as Japanese territory. [Image source=Photo by Seokyung Deok, Professor at Sungshin Women's University Facebook]

Professor Seokyung Deok of Sungshin Women's University reported on the 14th that the textbook titled "Counterpoints, Exploring Canadian Issues," published by the Canadian textbook publisher 'Prentice Hall' for high schools across Canada, incorrectly marks Jeju Island as Japanese territory. He explained, "I learned about this recently from a Korean Canadian student who reported it. The textbook explains Japan's territorial expansion during its colonization of Korea using maps, and it mistakenly colored Jeju Island green along with Japanese territory as of 1890." Additionally, the textbook labels the sea between Korea and Japan with both "East Sea" and "Sea of Japan."

Professor Seo stated, "I plan to send a protest email to the publisher soon to request a correction," and urged, "Koreans living around the world should immediately report any errors they find in textbooks or other materials."

This is not the first time Jeju Island has been labeled as Japanese territory. In 2009, the CIA's annual World Factbook report also caused controversy by mistakenly listing Jeju Island as Japanese territory.

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