Most scholars (both Islamic and Non-Islamic) believe a lunar or luni-solar calendar was in existence in pre-Islamic Arabia, with the obvious omission of the four 'special' months.
Democritus taught his ideas during the 5th century BC in ancient Greece. He was a pre-Socratic philosopher known for his atomic theory of the universe, which proposed that all matter is made up of small, indivisible particles called atoms.
Pretty much before the 19th century and industrial revolution.
society during pre spanish period
The pre modern period began with the vassals
was there a cicilazation during the pre-colnial period? why?
The period of time around the time of pregnancy and delivery.
The first period of human life is called pre-history
prenatal
In Philippine history, the pre-Hispanic period refers to the period before the arrival of the Spaniards. This is approximately before the 16th century.
YES.
Pre-operational period
pre columbian