Olaf Stapledon 
Nebula Maker [EPUB ebook] 

The narrator of Nebula Maker stands on a hill and sees a vision that leads him to the birth of the universe. He witnesses the creation of the nebulae and the formation of galactic communities as well as the flowering of the personalities of the nebulae. The establishment of pacific and militaristic camps and their relationship leads to events of cosmic strife, not unlike the history of our world in the twentieth century.