Discovery and Invention (Invention Timeline)

Discovery and Invention by Timeline... From 3500 BCE to 2018 AD

This app consist knowledge about discovery and invention of various things

The App is well organized and categorized in four category

1. BCE

2. 1 AD to 1800 AD

3. 1901 to 2000 AD

4. Present Century

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Discovery and Invention of BCE (Before Christian Era)

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