Western Civilization Or Nothing?: Last Tango Of Western Hegemony?

Western civilization has been the culmination of millennia of human civilization, creativity and development. In many ways, it can be considered as the apex of the development of human civilizations through the ages. Western civilization is the current reigning hegemony of the world. But how long will this hegemony last?When will it be replaced by another hegemon?Or when will it be reduced to being just one of the many superpowers of the future world?Is the latest flurry of alliance-expanding activities and military manoeuvres by the West that is unfolding in Europe, Middle East, Indo-Pacific, and the South Pacific the last tango of the declining western hegemony?