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.
Architecture & design
Construction begins on the Lighthouse of Alexandria, one of the seven wonders of the ancient world
The Lighthouse of Alexandria was a lighthouse built during the reign Ptolemy II which has been estimated to be 100 meters in overall height and one of the tallest structures on Earth for many centuries.
The Temple of Artemis at Ephesus is completed
The Temple of Artemis at Ephesus, also known as the Artemesium, was constructed in the mid 6th century B.C.E. It was located in Ephesus (modern Turkey), and was considered to be one of the Seven Wonders of the Ancient World.
The Greeks build the world's first underground aqueduct, the Tunnel of Eupalinos, on the island of Samos
The tunnel is the second known tunnel in history which was excavated from both ends and the first with a geometry-based approach in doing so.
Humans of ancient Greece invent the crane
The archaeological record shows that no later than c. 515 B.C.E. distinctive cuttings for both lifting tongs and lewis irons begin to appear on stone blocks of Greek temples.
The Assyrians build the world’s first long-distance canal systems
The first sophisticated long-distance canal systems were constructed in the Assyrian empire in the 9th century B.C.E. and incorporated tunnels several kilometres in length.
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Humans of ancient Britain construct Avebury
One of the best known prehistoric sites in Britain, Avebury contains the largest megalithic stone circle in the world.
Hunter-gatherers build Giant’s Churches in modern-day Finland
A Giant’s Church is the name given to prehistoric stone enclosures found in the Ostrobothnia region of Finland. Dating from the sub-Neolithic period (3500–2000 B.C.E.), they are thought to be a rare example of monumental architecture built by hunter-gatherers in northern Europe.
Early Neolithic tribes build megalithic tombs across Ireland
Megalithic monuments in Ireland typically represent one of several types of megalithic tombs: court cairns, passage tombs, portal tombs and wedge tombs.[1][2] The remains of over 1,000 such megalithic tombs have been recorded around Ireland.
The Sweet Track and Post Track causeways are built in Somerset Levels in modern-day England
The Sweet Track is a Neolithic timber walkway, located in the Somerset Levels, England. It was originally part of a network of tracks built to provide a dry path across the marshy ground.