Its earliest mention is in 641 ce, a year after the Arab invasion of Byzantine Egypt, when the Arab conqueror ʿAmr ibn al-ʿĀṣ built a bridge across the canal there to facilitate subjugation of the towns of Miṣr province.
An eclipse of the Sun recorded by the historian Livy (64/59 bce 17 ce) in a year corresponding to 190 bce is of interest to students of astronomy and of the Roman calendar alike.
By 50 bce enrollment at the university had grown to an impressive 3,000, and by 1 ce a hundred students a year were entering government service through the examinations administered by the state.
The stable carbon isotope mass-balance calculations show that the weighted average 13C isotope of the CEs was enriched for around a year compared to the background value in a two year monitoring period, an effective indication that dechlorination of VC was occurring.
The Tristia and Epistulae ex Ponto were written and sent to Rome at the rate of about a book a year from 9 ce on.
For example, the Houhanshu ("History of the Later Han Dynasty") contains the following account under a year corresponding to 119 120 ce: On the day wuwu [the 55th cyclical day], the 1st day of the 12th lunar month, the Sun was eclipsed; it was almost complete.
Monday saw the first conviction under California's revenge porn law: Noe Iniguez was sentenced to a year in jail and 36 months of probation after he posted a topless photo of his ex online.
At least once a year, manufacturers will have to submit safety reports to be assessed by notified bodies (such as BSI (British Standards Institution) or TÜV (Technischer Überwachungsverein)). Every 5 years, CE-recertification processes will have to be conducted based on a methodology that takes account of the typical circumstances of medical devices, which will be defined in the next few years.
There was a year-on-year rise in the number of CE-MRA studies performed each year from 1997/98 (13 studies) to 2002/03 (760 studies) with a reciprocal 50.4 % drop in conventional diagnostic angiography during the same period (847 328 studies, Fig. 2).
It took about 200,000 years for the human population to reach 1 billion (~1800 CE), 130 years to reach 2 billion, 30 years for 3 billion, 15 years for 4 billion, and around 13 years each for 5, 6, and 7 billion.
It took about 200,000 years for the human population to reach 1 billion (~1800 CE), 130 years to reach 2 billion, 30 years for 3 billion, 15 years for 4 billion and around 13 years each for 5, 6 and 7 billion.
