An interesting logical exercise: you have many weights that look the same, you have to find the only one that is different.
Wolfgang von Kempelen´s best known invention.
The Tower of Hanoi is a mathematical puzzle.
A special, 3D version of the well-known Chinese logical game.
One of the main units of Matthias Corvinus´ Black Army was the infantry.
Medieval kings were typically depicted sitting on their thrones, wearing a crown and the Royal regalia.
Medieval knights were vassals of feudal lords and fought on horseback in battles.
The structure of fortresses developed together with military technology.
Public schools in villages played an important role in education.
One of the main units of Matthias Corvinus´ Black Army was the cavalry.