Happy birthdays to Argentina, Wimbledon, and Donkey Kong! (and yay for citizenship to African-Americans) 1816 – Argentina declares independence from Spain. 1868 – The 14th Amendment to the United States Constitution is ratified guaranteeing African Americans full citizenship and all persons in the United States due process of law. 1877 – The inaugural Wimbledon Championships opens. 1981 – Donkey Kong, a video game created by Nintendo, is released. The game marks the debut of Nintendo's future mascot, Mario.