First Mention of the Prague Astronomical Clock
October 9th, 1410
October 9th, 1410

How Long Ago?
614 years, 5 months, 6 days ago
Location
Prague, Czech Republic
Category
Science & Technology
People
- Mikuláš de Kadaně
Links & References
Tags
First Mention of the Prague Astronomical Clock
The Prague astronomical clock, known as the Prague Orloj, was first documented. This remarkable piece of medieval engineering was installed on the Old Town Hall in Prague and quickly became a symbol of the city. Constructed by the clockmaker Mikuláš de Kadaně, the clock displays astronomical details and features moving figures that depict various legends, attracting many visitors who witness its hourly display.
Designed by clockmaker Mikuláš de Kadaně.
Astronomical features display celestial details.
Apostle figures move during hourly performances.
Symbol of civic pride and cultural identity.
What Happened?
The Prague astronomical clock, or Prague Orloj, received its first known mention in official records, marking a significant point in the evolution of timekeeping. Installed on the southern wall of the Old Town Hall in Prague, the clock was an elaborate installation featuring not only a mechanical timekeeper but also an astronomical dial that illustrated the position of celestial bodies. The clock was designed by Mikuláš de Kadaně and was notable for its advanced mechanics for the time, providing not just the time of day but also various astronomical information, including the phases of the moon and zodiac signs.
The clock’s design incorporated an intricate array of moving figures known as the Apostles, which would become a central aspect of its appeal. Each hour, the clock offered a performance where figures representing the twelve Apostles would appear in a procession. This feature drew crowds of both locals and tourists, captivated by the combination of artistry and engineering that the clock represented. Beyond its technical attributes, the clock served as a symbol of civic pride for Prague, demonstrating the city's wealth and cultural significance during the late Middle Ages.
Over the years, despite being partially damaged and undergoing restorations, the clock preserved its reputation as a remarkable work of art and science. Its significance lies in how it blended practical functionality with a cultural statement, becoming an icon of Prague itself, and attracting continuous interest from visitors to this day.
Why Does it Matter?
The mention of the Prague astronomical clock is significant as it intertwines art with the advancement of science and technology in medieval Europe. The clock's ability to attract attention and become a defining cultural symbol for Prague illustrates the importance of public monuments in civic identity and pride. Its architectural and mechanical innovations set a precedent for future developments in clock-making and public displays, influencing similar works across Europe.
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