Columbus
Columbus made four trips. There's a song that helps me remember. Here are the lyrics:In 1492, Columbus made the first of four trips,To the Caribbean on three Spanish ships,Named the Nina, the Pinta, the Santa Maria!
5
Thaat's easy. Four
Sir Walter Raleigh sponsored the first English colony in America on Roanoke Island in 1585, but it ultimately failed and became known as the "Lost Colony" as all its inhabitants mysteriously disappeared. Raleigh never discovered what happened to the settlers.
If it's DP you can never go there.
That would be 5 times
The Four Leaf Clover was never invented. It is a naturally occuring clover found throughout the world.
Two trips through the cycle are needed to break down one glucose so 2 x 4 = 8 trips .
The Four Surfers of the Apocalypso would have ended the world, obviously.
Huygens discovered Saturn's moon Titan; Giovanni Domenico Cassini later discovered four other moons: Iapetus, Rhea, Tethys and Dione.
Galileo
there is no such thing as the four elements that make up the world... this was believed in ancient times... these four elements were wind, fire, earth and water but now since we hav e developed and now have a greater undertanding of the world we live in we have discovered that there are alot of "real" elements that make up the world