Amphibians evolved from fish with lungs and limbed fins.
Football was invented in China around 476 B.C.
The world’s first postage stamp was issued in Britain on the 1st of May 1840.
The moon takes 27.3 days to circle the Earth.
Over 60 million tourists visit New York City each year.
The rings inside a tree trunk are called annual growth rings.
Russia launched the first satellite in 1957 called Sputnik 1.
Over 130 million books have been published in modern history.
The oldest recorded human lived to the age of 122 years and 164 days.
The oldest know fossil is said to be 3450 million years old.
Only 0.6% of the earth’s water is drinkable freshwater.
The oldest living tree is around 10,000 years old.