104–106 – Alcántara Bridge across the Tagus is Spain is built by order of Trajan. 113 – Trajan's Column in Rome is completed. 122 – Construction of Hadrian's Wall in Britain begun. c. 128 – Pantheon in Rome is completed. 129/130 – Arch of Hadrian in modern Jerash, Jordan is completed. 132 – Temple of Olympian Zeus, Athens, begun around 520 BC, is completed. 134 – Ponte Sant'Angelo in Rome is completed. 180–200 – Porta Nigra in Trier, Germania, is constructed. year unknown – Kallanai Dam (Grand Anaicut) in Tamil Nadu is completed.
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