- 323–283 BC – Euclid: wrote a series of 13 books on geometry called The Elements
- Al-Khawarizmi (780-850): wrote the first major treatise on Algebra titled "Al-jabr wal-muqabaleh"
Read about more discoveries on Wikipedia.
- 1543 – Copernicus: discovered the heliocentric model of the solar system.
- 1672 – Sir Isaac Newton: discovers that white light is a spectrum of a mixture of distinct coloured rays.