179121479125786First_Children__s_Encyclopedia

(Kaasyap Sai) #1

20th century


A Russian cosmonaut (astronaut) called Yuri Gagarin in 1961.^97


Pop music


The Beatles were one of the


most successful pop groups


of all time. In the 1960s,


millions of people bought


their records. Performances


on television also helped to


boost their fame. The Beatles


split up in 1970.


Technology
Many new types
of technology were
developed in the 20th century.
Microchips were invented in
the 1950s. They are used in
computers, televisions, stereos,
and many other machines.

Nelson Mandela


There were many important


political changes during the


20th century. Nelson Mandela


fought against an unfair


political system in South


Africa. He became president


of South Africa in 1994.


The environment


Some people began to worry about


the damage that humans are doing


to the environment. They formed


organizations such as Greenpeace


and Friends of the Earth.


Advances


Advances made in the


20th century have made


many people’s lives easier.


Space
suit

Buzz Aldrin
was the
second man
on the Moon.

Man on the Moon


In 1969, astronauts visited the Moon


for the first time. People all around


the world watched on television as


the astronauts stepped onto the


Moon’s grey, dusty surface.


Inventions such as the jet
engine have made
travel fast and cheap.

Sport became extremely
popular, and many sports
people became very famous.

Mobile telephones
and the Internet make
it easy to keep in touch.

Medical advances help
us to fight diseases and
recover from injuries.

Scientific discoveries,
such as DNA, helped
medicine and technology.

The Beatles playing live on television in New
York, USA

Buzz
Aldrin
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