Hallo, also it is a german page it might be interesting to Visite this Homepage: https://kulturwissenschaften.wordpress.com/lehrveranstaltungencours/moderne-versus-postmoderne/
for me postmodernism is just the continuation of modernism. How can anyone say postmodernism declare that it started in a certain time frame after modernism. it's funny if it existed then it existed since humans will to store knowledge.