Writers like Robertson and Chase-Dunn are right that early signs of globalization appeared a century more and more ago, although to a much smaller extent and at a far slower pace.
On the other hand, globalization did not figure continually, comprehensively, intensely, and with rapidly increasing frequency in the lives of a large proportion of humanity until around the 1960s.
Full fledge globalization– a process with such weight that it requires us to make fundamental adjustments to our understanding of world politics - is a fairly new development