The term "BC" or "Before Christ" was a retroactive time system put into effect by the Christian Church. It was to centre the human world and all its events around the most significant happening in all of human history, the birth of Christ. The dating system was later proved inaccurate in relation to Christ's actual birth, however, the last year in the "BC" era was 1 BC, which was immediately followed by 1 AD; there was no year zero.
1101 BC was the last year of the 12th century BC.
Iron Age
"CE" stands for "Common Era" and is used in place of "AD" (Anno Domini) to refer to years in the Gregorian calendar. It is often used to denote years in the Western calendar system without religious connotations.
Both. It was the last year of the 21st century BC, and the first year of the 21st century AD.
BC is before the Christian era; it is used in dates before the supposed year Christ was born.
one BC
9500 BC. When the switch between the Paleolithic Era to the Neolithic Era began.
4600 years before 2010, when the question was asked, was in the BC era, but allowing for the fact that there was no year zero, the year would have been 2591 BC.
The current year, 2016, is in the AD (or CE) era, not BC. Informally speaking, this year could be expressed as -2016 BC, but no academic source will use this notation. If you're referring to the year 2016 BC, it was roughly 4032 years ago.
Yes 1 BC was the last year until AD started.
199 to 100bc The first year of the 2nd century BC was 200 BC, and the last year was 101 BC.
The Iguanodon lived between 126 and 125 million years ago. That would be between approximately 126000000 BC and 125000000 BC. That was during the Barremian stage of the Cretaceous period. The Cretaceous period was the last period of the Mesozoic era.