Battle of Alesia (52 BC)

The Gaul city Alesia, which was defended by Vercingetorix, was besieged by the Roman forces of Julius Caesar in 52 BC.

The battle of Actium (31 BC)

In the battle fought at the shores of Hellas, Octavian won a decisive victory over Marcus Antonius.

Knights’ hall

One of the most important parts of a medieval castle was the Knights´ hall.

Medieval knight

Medieval knights were vassals of feudal lords and fought on horseback in battles.

The Hungarian army in the 15th century (cavalry)

One of the main units of Matthias Corvinus´ Black Army was the cavalry.

The Battle of the Catalaunian Plains (451)

The Roman army, led by Flavius Aetius, stopped the Hun invasion led by king Attila

Flood defence system

The protective embankment, or, in case of minor floods, the summer dyke ensures the protection against flood damage.

Carbon monoxide (CO) (intermediate)

Colourless, odourless gas, highly toxic to humans and animals in high concentration.

The development of television sets

Television, invented in the early 20th century, became one of the basic forms of entertainment.

German soldier (World War I)

German sordiers in the First World War were well trained and used modern weapons.

Surface area of spheres (demonstration)

The surface of a sphere consists of the set of points which are all at the same distance from a given point in space.

Egyptian Pharaoh and his wife (2nd millennium BC)

Egyptian Pharaohs were respected as gods, they were lords of life and death.

Volume of spheres (Cavalieri´s principle)

Calculating the volume of a sphere is possible using an appropriate cylinder and cone.

Mir Castle Complex (17th century)

The Mir Castle Complex, situated in the town of Mir, Belarus was built in the Gothic-Renaissance style.

European ground squirrel

Subterranean rodents widespread in Central- and Eastern Europe.

Tiktaalik

A transitional form between fish and tetrapods, or four-limbed vertebrates.

European colonisation of the Americas (up to 1763)

Several European countries joined the conquest of the New World, making America a colourful continent.

Mongol warrior (13th century)

The dreaded warriors of the Mongol Empire helped to make it one of the largest empires in history.

Pollen

Pollen serves to fertilise the egg of plants. Pollen grains come in a variety of shapes and sizes, characteristic of the species.

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