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The geographical distribution of major (world) religions has been influenced by historical events.
The surface of a sphere consists of the set of points which are all at the same distance from a given point in space.
Television, invented in the early 20th century, became one of the basic forms of entertainment.
Medieval knights were vassals of feudal lords and fought on horseback in battles.
During World War I, Britain was part of the military alliance called the ´Triple Entente´.
German sordiers in the First World War were well trained and used modern weapons.
One of the main units of Matthias Corvinus´ Black Army was the cavalry.
One of the most important parts of a medieval castle was the great hall.
Soldiers of the ancient Macedonian Kingdom were dreaded warriors.
One of the most important battles of World War II proved to be a turning point of the War in the Pacific.
The Gaul city Alesia, which was defended by Vercingetorix, was besieged by the Roman forces of Julius Caesar in 52 BC.
The protective embankment, or, in case of minor floods, the summer dyke ensures the protection against flood damage.
Subterranean rodents widespread in Central- and Eastern Europe.
Pollen serves to fertilise the egg of plants. Pollen grains come in a variety of shapes and sizes, characteristic of the species.
Colouring the vertices, edges and faces of a given cube according to the criteria specified in the exercise.
One of the typical examples of Islamic architecture in Hungary.
The California Gold Rush started in 1848, near San Francisco.
Egyptian Pharaohs were respected as gods, they were lords of life and death.
A major battle in the history of Ottoman-Hungarian wars in the 15th century. Its memory is preserved by the noon bells that are still rung every day in churches throughout the world.
This animation demonstrates birds' bones and eggs through the example of the common blackbird.
An acyl-carrier coenzyme taking part in both anabolic and catabolic processes.
Colour a map with the fewest number of colours possible, so that no two adjacent regions have the same colour.