First Iron-Framed Library Built in Paris

Bibliotheque Sainte-Genevieve was the first iron-frame building built in Paris, France between 1843 to 1850 by architect Henri Labrouste. Continue reading

The First Recorded Standard Unit of Length

The first recorded unit of length was approximately 2.7 feet (0.8 meters) used by megalithic tomb builders of Europe around 3500 BCE Continue reading

Constantine I – Emperor of Rome

Constantine the Great (Latin: Flavius Valerius Aurelius Constantinus Augustus; Greek: Κωνσταντῖνος ὁ Μέγας; 27 February c. 272 AD – 22 May 337 AD), also known as Constantine I or Saint Constantine (in the Orthodox Church as Saint Constantine the Great, Equal-to-the-Apostles), was a Roman Emperor of Illyrian-Greek origin from 306 to 337 AD. Continue reading

Serfs in Europe

A law promulgated by the Roman Emperor Constantine the Great in 332 CE required serfs to remain on the land and to submit to the demands of the lord and his agents. Continue reading

Chaturanga a Chess-like game

Chaturanga (a Chess-like game) an Indian game was invented circa 600 CE. Continue reading