A 150 million-year-old fossilized dinosaur embryo was found inside a fossilized egg.
The discovery was made in Utah, USA.
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The largest dinosaur fossil is found.
The 'Twentieth Century Dinosaurs' exhibit opened at the Smithsonian Institution Museum of Natural History.
Paleontologists unearthed dinosaur eggs with embryonic bones inside in China.
The Golden Spike was driven.
Utah became the 45th state to join the United States of America.