Given the choice of obeying God or disobeying God and gaining the knowledge of death, they choose to disobey God. The oldest son of the first man and woman kills his younger brother. As more people populate the earth, the inclination of their hearts turns away from God and towards evil. No one has yet scientifically proven when the earth was formed, how long it took for men to settle around the earth or a number of other important facts that are routinely stated as facts in textbooks, magazines and around the Internet. There are lots of opinions, but any date before the 1000 BC is a guess.
Dates are approximate and depend on a wide variety of interpretative theories.
Historical population data is extremely uncertain. The emphasis of the information found in this timeline should be the sequence of events, links between causes and effects, and the overall proportional growth of population over time.