Claudius Ptolemy

Birth of Ptolemy

100

When he was born

When Ptolemy published the Almagaest

150

When he published the book called Almagaest, this book is full of Ptolemy's observations, theory's, and other space things.

People started to re-believe in the Geocentric Model

150

Ptolemy made the model better to fit the way the universe works (at the time) and people started believing in it again.

Start of a massive plague in the Roman Empire

164

The title is self explanitory

When Ptolemy died

170

When he died