The 2nd century is the period from AD 101 through AD 200 (CC) in accordance with the Julian calendar. It is considered part of the Classical era, epoch, or historical period.
The 50s decade ran from January 1, 50, to December 31, 59. It was the sixth decade in the Anno Domini/Common Era, if the nine-year period from 1 AD to 9 AD is considered as a "decade".
The 70s was a decade that ran from January 1, AD 70, to December 31, AD 79.
The 80s was a decade that ran from January 1, AD 80, to December 31, AD 89.
The 90s was a decade that ran from January 1, AD 90, to December 31, AD 99.
The 100s was a decade that ran from January 1, AD 100, to December 31, AD 109.
The 110s was a decade that ran from January 1, AD 110, to December 31, AD 119.
The 120s was a decade that ran from January 1, AD 120, to December 31, AD 129.
AD 92 (XCII) was a leap year starting on Sunday of the Julian calendar. At the time, it was known as the Year of the Consulship of Augustus and Saturninus. The denomination AD 92 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.
The 160s decade ran from January 1, 160, to December 31, 169.
The 170s decade ran from January 1, 170, to December 31, 179.
Year 115 (CXV) was a common year starting on Monday of the Julian calendar. In the Roman Empire, it was known as the Year of the Consulship of Messalla and Vergilianus. The denomination 115 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.
Year 121 (CXXI) was a common year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Verus and Augur. The denomination 121 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.
Year 132 (CXXXII) was a leap year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Serius and Sergianus. The denomination 132 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.
Year 166 (CLXVI) was a common year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Pudens and Pollio. The denomination 166 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.
Year 189 (CLXXXIX) was a common year starting on Wednesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Silanus and Silanus. The denomination 189 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.
The 230s decade ran from January 1, 230, to December 31, 239.
Cai Lun, formerly romanized as Ts'ai Lun, was a Chinese eunuch court official of the Eastern Han dynasty. He is traditionally regarded as the inventor of paper and the modern papermaking process. Although early forms of paper had existed since the 3rd century BCE, he occupies a pivotal place in the history of paper due to his addition of pulp via tree bark and hemp ends which resulted in the large-scale manufacture and worldwide spread of paper.
Trajan's Bridge, also called Bridge of Apollodorus over the Danube, was a Roman segmental arch bridge, the first bridge to be built over the lower Danube and one of the greatest achievements in Roman architecture. Though it was only functional for 165 years, it is often considered to have been the longest arch bridge in both total and span length for more than 1,000 years.
Constantine's Bridge was a Roman bridge over the Danube used to reconquer Dacia. It was completed in 328 AD and remained in use for four decades.
