Ch 1 - Lesson 1 (W1)

The first historical era, more than 5,500 years ago, is called ____________________ and refers to a time before people developed writing.

A group of ten years is known as a(n) _____

In the Gregorian calendar, events are dated either before or after the birth of ____________________.

A group of 100 years is known as a(n)

• century

• decade

• era

• millennium

The Gregorian calendar

• lost one day every 128 years

• is also known as the Hebrew Calendar

• is still in use today

• was developed by Julius Caesar

The study of human culture and how it develops over time is called

• archeology

• anthropology

• prehistory

• paleontology

A___________________shows the order of events within a period of time and the amount of time between the events.