The statement noted that 1950 was chosen as the time scales reference point to honor Willard F Libby, who published the first radiocarbon dates in December 1949, and because 1950 is “arithmetically more convenient than A.D. 1955 or A.D. 1962.” The editorial statement also redefined the meaning of BP as “Before Physics The statement noted that 1950 was chosen as the time scales reference point to honor Willard F Libby, who published the first radiocarbon dates

What does BP mean in arrowheads?

B.P. Means Before Present (the actual age of the artifact)

Which century do we live in?

21st Century We live in the 21st Century, that is, the 2000s. Similarly when we say 20th Century, we are referring to the 1900s. All this because, according to the calendar we use, the 1st Century included the years 1-100 (there was no year zero), and the 2nd Century, the years 101-200.

Is BP and BCE same?

Dates can be expressed as AD, BC, BCE (before common era), and BP (before present).