Ohayocon
2001 CE.
Shown on the map at 39.972°, -83.001°.
Ohayocon is a three-day anime convention typically held during January/February in Dayton, Ohio at the Dayton Convention Center. Ohayocon's name is derived from the similarity between "Ohio", the convention's location, and Ohayou (おはよう), which means "good morning" in Japanese.
Text from the Wikipedia article Ohayocon, licensed CC BY-SA 4.0.