Making up for lack of written records, archaeologists have to date uncovered 273 Amerindian archeological sites on only 310 km² of the land recovered from the Sinnamary River by the Petit-Saut Dam. Some date back as far as two thousand years, establishing the antiquity of the Amerindian presence in this area.
Year: 2nd Century C.E.
Ptolemy publishes Geography, revolutionizing cartography
The Geography represents the culmination and synthesis of the scientific tradition in Greek cartography; it consists of eight books, and anywhere from 26 to 64 maps.
Zhang Heng invents the seisometer
A seismometer or seismoscope is an instrument that detects and measures the motions of the ground as a result of seismic waves gushing from an earthquake, volcanic eruption or powerful explosion.
Ancient Romans begin construction of Hadrian's Wall in Britain
Hadrian’s Wall was the north-west frontier of the Roman empire for nearly 300 years.
The Moche civilization flourishes in modern-day Peru
The Moche civilization (also known as the Mochica) flourished along the northern coast and valleys of ancient Peru, in particular, in the Chicama and Trujillo Valleys, between 1 CE and 800 CE.
The Chinese of the Han Dynasty invent the wheelbarrow
The earliest wheelbarrows with archaeological evidence in the form of a one-wheel cart come from second century Han Dynasty Emperor Hui’s tomb murals and brick tomb reliefs.