I have also read this book. These book is for Brief history for the humankind. I like these book very honest.

1. SAPIENS-
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2. COGINITIVE REVOLUTION
 COGINITIVE REVOLUTION started with our brain development. homo sapiens
who was living in eastern Africa, they hunting lives which are weaker than
them.
 That’s why their brains are small their teethes and intestines was bigger.
 after the invention of fire homo sapiens ate cooked foods.
 the power of thinking was increased and they developed sign language to
communicate and then they developed the weapon to hunt strong animal.
 There is no actual theory what homo sapiens had done with other species there
is assumption that homo sapiens had done interbreeding or killed other
species.

3. AGRICULTURE REVOLUTION
 Agricultural revolution started on earth in every palace at the same time.
 After 2000 years of sapiens left the hunting activity and started the farming.
 Agricultural activity made homo sapiens lives depended and vulnerable,
because before the revolution they were depended on meats and fruits.
 Before the revolution they only spent 30 hours for work like hunting, After the
revolution they spent 60 hours.
 Sapiens , Grew in large number. they developed IMAGINED MYTHES TO
COOPERATE IN LARGE NUMBERS. That means invention of RELIGION, GOD,
MONEY, LAWS.

4. UNIFICATION OF HUMANS
 Day by day the society has grown up , Small culture converts in mega culture
and meg culture , to sustain the mega culture the empire has been made.
 There are three platforms which can do this task
1. MONEY -First barter system was invented. Barter system became complex
because in that time number of goods are increase too.
2. POLLITICS –The rulers and army destroyed different types of cultural and
create one common culture for their people
3. RELIGION -Form polytheism the concept of monotheism is constructed.

5. SCIENTIFIC REVOLUTION
AND RISE OF EUROPE
 So many years humans thought that we have knowledge which is enough for us.
This knowledge they learnt from religion.
 Europe became the center of scientific revolution.
 The research law was simple 1) observation 2) make conclusion and equation
from observation. Applied this method sir newton gave theory of newtons law.
 Europe’s enthusiasm towards to knowledge, there sailors try to find sponsor for
expedition, Columbus who was sailor.
 Columbus later found America. from America he took raw materials or Spain.

6. INDUSTRIAL REVOLUTION
 BEFORE the industrial began, humans fulfill their energy requirement by woods.
 9-5 job is coming from industrial revolution. to transport the workers public
transportation came in to the picture.
 Mass production created new problem. The problem was who will purchase this
good. To solve this problem CREDIT concept invented.
 CONSUMERISM is used for encourage people to buy goods on credit.Form
consumerism marketing, fashion etc. born.
 Joint family is the obstacle in the consumerism,After break down happens in
joint family.