Question: when was the japanese videogame company nintendo founded?
Evidence: Nintendo was founded as Nintendo Koppai on 23 September 1889 by craftsman Fusajiro Yamauchi in Shimogyō-ku, Kyoto, Japan, as an unincorporated establishment, to produce and distribute Japanese playing cards, or karuta (かるた, from Portuguese carta, 'card'), most notably hanafuda (花札, 'flower cards').
Answer: 23 September 1889