The Cretaceous was about 145 million to 66 million years ago. The Cretaceous gets its name from the latin word for chalk, creta, because it includes the layers of this distinctive pure white limestone. It is the last period of the Mesozoic ("middle life") Era.
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Monarchy, the Victorian period or era was named after the Queen of this period. The queen was Queen Victoria.
what is the critacal period during history in 1780
"period" means time frame so yes.
saxnon period
we currently live in the Quaternary period, the period of humans. If you do not trust this answer, please go to chacha.com/answers We live in the age of modern science thanks Ebony