AD 104

Template:Use mdy dates Template:Redirect Template:More citations needed Template:Year nav Template:M1 year in topic Year 104 (CIV) was a leap year starting on Monday of the Julian calendar, the 104th Year of the Anno Domini (AD) designation, the 104th year of the 1st millennium, the 4th year of the 2nd century, and the 5th year of the 100s decade. At the time, it was known as the Year of the Consulship of Suburanus and Marcellus (or, less frequently, year 857 Ab urbe condita). The denomination 104 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Events

The Trajan's Bridge across the lower Danube, as seen from Drobeta. Reconstruction by the engineer E. Duperrex in 1907

Pliny the Younger continues as a member of the College of Augurs (103–104).<ref>Template:Cite book</ref>
Nijmegen is renamed Ulpia Noviomagus Batavorum.
A fire breaks out in Rome.<ref>Template:Cite book</ref>Template:Unreliable source?
Trajan gives the order to have the Alcántara Bridge, constructed by the architect Lacer, built over the Tagus River at Alcántara (Hispania).
Apollodorus of Damascus builds a stone bridge over the Danube more than Template:Convert long, almost Template:Convert high and Template:Convert wide. The bridge connects what is now Serbia with Romania (at the time known as Dacia).