Coincard – French version

The National Geographical Institute of Belgium contributes to the uniform surveying and representation of the country. Its tasks include maintaining the Belgian geodetic reference system, producing topographic maps and managing geographical data. These foundations are used, among other things, for cadastral and construction planning, transport infrastructure, spatial planning and disaster management. The determination and documentation of national borders also form part of the field of official geography. The institute thus continues the tradition of state land surveying in a modern form focused on digital geodata.

The Royal Belgian Observatory (Königlich Belgische Sternwarte) is a scientific institution in Uccle near Brussels (Brüssel). Its work is not limited to observing stars. Among other things, it studies the Sun, celestial bodies and physical processes in space. It also deals with geophysical phenomena such as earthquakes and contributes to determining time and the rotation of the Earth. The observatory is therefore one of the institutions engaged in both astronomical research and the observation of the Earth.

Its origins date back to the early decades of the Belgian state. The mathematician and statistician Adolphe Quetelet shaped the institution as its first director. Under his leadership, the observatory was expanded into a centre for scientific observation and data collection. It was later relocated from the densely built-up urban area to its present site, which offered better conditions for scientific measurements.

The joint selection of both institutions points to two interconnected forms of orientation: the Geographical Institute records and organizes the space in which the state is located, while the observatory studies the Earth in the context of its cosmic surroundings. In this way, a commemorative coin can bring together state infrastructure and scientific research. The occasion therefore does not represent a single political event, but rather the development of lasting institutions whose measurements and maps provide a foundation for administration, research and public planning.