What is a pontoon bridge? History of science
A pontoon bridge from the Column of Marcus Aurelius, in Rome A pontoon bridge is a temporary bridge that you make by lining up a lot of boats crossways across the river, [...]
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09, 2017
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08, 2017
Column of Marcus Aurelius – Roman art
Column of Marcus Aurelius in Rome Who built the column? Marcus Aurelius' column was actually not built by Marcus Aurelius himself but by his son Commodus, about 180-190 AD. Who was Marcus [...]
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07, 2017
Second Persian War – ancient Greece
Gold coin of Xerxes (or another Persian king) After the Athenians beat the Persians in the First Persian War, at the battle of Marathon, the Persians left the Greeks alone for [...]
