generate questions: The oldest known archaeological fragments of the immediate precursor to modern paper, date to the 2nd century BC in China. The pulp papermaking process is ascribed to Cai Lun, a 2nd-century AD Han court eunuch. With paper as an effective substitute for silk in many applications, China could export silk in greater quantity, contributing to a Golden Age.
Who is credited with the papermaking process? {sep_token} What material did paper replace upon its invention? {sep_token} Which Age did the invention of the papermaking process contribute towards? {sep_token} What century is the first papermaking process attributed to? {sep_token}