A colourless, odourless, non-reactive gas, it constitutes 78.1% of Earth´s atmosphere.
Ancient Greek heavy infantryman.
The Altar of Peace, commissioned during the reign of Augustus, was one of the most important works of ancient Roman art.
Colourless, odourless, heavier-than-air gas. Necessary for the photosynthesis of plants.
The battle, that is considered to be a tactical masterpiece, meant a decisive victory for Alexander the Great against Persia.
A zither is one of the typical instruments of Hungarian folk music, played by strumming or plucking the strings.
The castle of Belgrade (Nándorfehérvár) was one of the most important components in the chain of Hungarian border forts.
The screw pump commonly attributed to Archimedes made irrigation much more effective
The Ironsides were members of the Parliamentarian cavalry formed by Oliver Cromwell during the English Civil War.
Inhabitants of ancient Egypt wore characteristic clothes and jewellery.
The Tower of Hanoi is a mathematical puzzle.
The Soviet-made satellite was the first spacecraft to be launched into outer space (in October 1957).
The best-known piece of the Hungarian Crown Jewels is the Holy Crown.
Tall buildings are mementoes of human history and technological development.
Soldiers of the Wehrmacht in World War II were well-trained and well-equipped with modern weapons.
A brick castle in South-East Hungary; its oldest parts were probably built in the late 14th century.
This animation demonstrates the states and largest cities of the USA.
The construction of ´Libelle´ (Dragonfly) is one of the milestones of (Hungarian) aviation history.
Fish-like marine dinosaurs which resembled dolphins; a good example of convergent evolution.
One of the oxides of sulphur, forms sulphuric acid with water.