Matthias Corvinus, King of Hungary, began his library in 1495.
 Upon his request, the famous astronomers of the age, Johannes Regiomontanus and Marcin Bylica, set up an observatory in Buda and installed it with astrolabes and celestial globes
John Hunyadi died on 11 August 1456, less than three weeks after his greatest victory over the Ottomans in Belgrade

