The library is the best place to look for a list of some of the great speeches of the 20th century. There are many books that are available and they are free.

in a library or on the Internet

"Brave New World" is a novel that was published in 1932. It was written by Aldous Huxley and is on the list of the 100 best novels of the 20th century, written in English.

the 18th century

no. it was the... can anyone add plz!!

The list I found said it was the Radio that was the best invention of the 20th century.

Put it in related links.