Sonic the Hedgehog History Calendar 2020 is a calendar for 2020 made by Sonic Team. Each month shows a different part of Sonic the Hedgehog's history from his debut to the present. The calendar is about 150x180mm, in Japanese and was first available at Tokyo Game Show 2019 for 800 yen.[1] It was soon made available to purchase online.[2]
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| Gallery |
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 January - Line art from Sonic the Hedgehog Material Collection  February - Illustrations for Green Hill Zone by Hirokazu Yasuhara  March - 2D artwork of Sonic's original design  April - Sprites from Sonic the Hedgehog  May - 2D artwork of the Sonic emblem, and the stringy Sonic 1 doll  June - Front cover of the Japanese version of Sonic the Hedgehog  July - Main artwork of Sonic for Sonic Adventure  August - 2D artwork of Sonic  September - 3D artwork of Sonic used in Sonic & All-Stars Racing Transformed  October - Various artwork of Sonic; Sonic Channel in 2011, Tokyo Game Show 2018, emoji style, and Sumi-e Supersonic Hedgehog  December - 3D artwork of Classic Sonic and Sonic used for the Sonic the Hedgehog 25th Anniversary |
