Globalisation is increasing exponentially and can perhaps be traced back to Homo Sapiens leaving their ancestral homeland in Africa and expanding across the globe.

This was a new phenomenon. Previously, humans had been insular, though with the emergence of Homo Sapiens from Africa, cultures began to spread and interbreeding began, arguably the first human act of globalisation.

Further reading:
http://www.sciencedaily.com/releases/2007/05/070509161829.htm

Here is an evocative image of some Homo Sapiens getting ready for the Globalisation Hype Train:

- Fionn