Pangea
Pangea
Yes, books existed 100 years ago.One book which was published in 1900 was The Wonderful Wizard of Oz.
No, they have never existed and are made up. They come from myths that are thousands of years old.
Radio communication existed 100 years ago. In April 1912, the Wireless Officer aboard the RMS Titanic advised receiving stations on shore of the ship's plight as it sank.
existed. as in, "dinosaurs existed on this world years ago"
Stegodon existed from 11.6 million years ago to 10,000 years ago. There are some unconfirmed reports that they survived in some regions until 4,100 years ago.
Cleopatra existed about 2042 years ago.
The supercontinent that existed several million years ago is called Pangea. It combined all of today's continents into one supercontinent, mostly in the Southern Hemisphere. It was surrounded by a super ocean, Panthalassa, and started to break up 175 million years ago.
Dinosaurs existed millions of years ago.
16 million years ago approximately
Cameras have existed for considerably longer than 100 years; we have surviving photographs from the American Civil War, in the 1860's, which was over 150 years ago. Of course, those cameras were very different from modern cameras, but they did work.