Today in History Explore Nintendo releases arcade game "Donkey Kong," created by Shigeru Miyamoto, in Japan (July 31 in the US) July 9, 1981 Bright pink is the world's oldest biological color according to scientists, produced by tiny cyanobacteria in 1.1 billion-year-old marine shale rock from the Taoudeni Basin, Mauritania July 9, 2018 The first Wimbledon Men’s Singles championship began on this day. The winner received prize money of $15. In 2022 the champion took away more than $2 million. July 9, 1877 Search the largest and most accurate independent site for today in history. © 2000-2025 On This Day Pte. Ltd.