Marcus Ulpius Traianus, commonly known as Trajan, was a Roman emperor who ruled from 98 to 117 AD. He is remembered for his military conquests, particularly the successful campaigns against the Dacians, which expanded the Roman Empire to its greatest territorial extent. Trajan was also known for his public building projects, including the famous Trajan's Market and Trajan's Column in Rome. Trajan was born in Spain around 53 AD and was the first Roman emperor from the provinces. His reign is often considered a time of prosperity and stability, marked by effective governance and social welfare programs. He was also known for his respect for the Senate and his efforts to improve the lives of ordinary citizens.