The 1st century was the
century
A century is a period of 100 years. Centuries are numbered ordinally in English and many other languages. The word ''century'' comes from the Latin ''centum'', meaning ''one hundred''. ''Century'' is sometimes abbreviated as c.
A centennial or ...
spanning
AD 1 (
I) through
AD 100
__NOTOC__
AD 100 ( C) was a leap year starting on Wednesday (link will display the full calendar) of the Julian calendar. In the Roman Empire, it was sometimes referred to as year 853 ''ab urbe condita'', i.e., 853 years since the founding of ...
(
C) according to the
Julian calendar
The Julian calendar, proposed by Roman consul Julius Caesar in 46 BC, was a reform of the Roman calendar. It took effect on , by edict. It was designed with the aid of Greek mathematicians and astronomers such as Sosigenes of Alexandr ...
. It is often written as the or to distinguish it from the
1st century BC
The 1st century BC, also known as the last century BC and the last century BCE, started on the first day of 100 BC and ended on the last day of 1 BC. The AD/BC notation does not use a year zero; however, astronomical year numberi ...
(or BCE) which preceded it. The 1st century is considered part of the
Classical era, epoch, or
historical period
Human history, also called world history, is the narrative of humanity's past. It is understood and studied through anthropology, archaeology, genetics, and linguistics. Since the invention of writing, human history has been studied through ...
. The 1st century also saw the
appearance of Christianity.
During this period, Europe,
North Africa
North Africa, or Northern Africa is a region encompassing the northern portion of the African continent. There is no singularly accepted scope for the region, and it is sometimes defined as stretching from the Atlantic shores of Mauritania in ...
and the