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BCE is translated into Chinese as 公元前 (gōngyuánqián, "Before the Common Era"). In Czech, the "n. l." (našeho letopočtu which translates as of our year count) and "př. n. l." or "před n. l." (před naším letopočtem meaning before our year count) is used, always after the year number.
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 numbering does use a zero, as well as a minus sign, so "2 BC" is equal to "year –1". 1st century AD (Anno Domini) follows.
The year 1 BC/BCE is numbered 0, the year 2 BC is numbered −1, and in general the year n BC/BCE is numbered "−(n − 1)" [1] (a negative number equal to 1 − n). The numbers of AD/CE years are not changed and are written with either no sign or a positive sign; thus in general n AD/CE is simply n or +n. [1]
See calendar and list of calendars for other groupings of years. See history , history by period , and periodization for different organizations of historical events. For earlier time periods, see Timeline of the Big Bang , Geologic time scale , Timeline of evolution , and Logarithmic timeline .
Ancient history – Aggregate of past events from the beginning of recorded human history and extending as far as the Early Middle Ages or the Postclassical Era. The span of recorded history is roughly five thousand years, beginning with the earliest linguistic records in the third millennium BC in Mesopotamia and Egypt .
A Han dynasty Chinese crossbow from the 2nd century BCE. Oldest Brahmi script dates from this period. Brāhmī is the ancestor of Brahmic scripts, used in much of India and Southeast Asia. Romans build their first aqueduct. Chinese use the handheld trigger crossbow for the first time. The first crossbow, the gastraphetes, is invented at ...
A year zero does not exist in the Anno Domini (AD) calendar year system commonly used to number years in the Gregorian calendar (nor in its predecessor, the Julian calendar); in this system, the year 1 BC is followed directly by year AD 1 (which is the year of the epoch of the era).
Since "BC" is the English abbreviation for Before Christ, it is sometimes incorrectly concluded that AD means After Death (i.e., after the death of Jesus), which would mean that the approximately 33 years commonly associated with the life of Jesus would be included in neither the BC nor the AD time scales. [8]