2022150 Years of Scientific Observations of the Earth - First Day Cover

The desire to learn about the Earth is as old as humanity itself. The first written records of observations of the natural world go back to antiquity. In Mesopotamia and Ancient Egypt these were mainly records of climatic phenomena and weather that met the needs of farmers. The Phoenicians were not only excellent traders and seafarers but also cartographers. In addition to philosophy, the Ancient Greeks and Romans developed mathematics and physics and were also able to describe the effects of earthquakes and volcanic eruptions. In China and India a high level of science developed. The Arabs were excellent metallurgists and chemists. In Slovakia, scientific knowledge of the Earth especially developed in the 18th century in relation to mining and metallurgy during the extraction and processing of mineral raw materials.