Andrew Wiggins, the Speaker for the Dead (Ender Wiggins, the Xenocide) Timeline & Summary

Ender is born on Earth and trained to fight the buggers.
Ender, still a child, leads humans to destroy all the buggers and the bugger homeworld.
Ender finds the last bugger Hive Queen and writes her story, signing it Speaker for the Dead.
Ender and his sister Valentine travel from planet to planet as Ender speaks the death of various important people (including San Angelo).
Ender is also carrying the Hive Queen with him; he hopes to find a planet where she can lay eggs and rebuild the bugger civilization.
Jane, an intelligent intergalactic AI program, finds Ender and becomes his secret companion.
Three thousand years pass; Valentine finally settles down and marries on Trondheim.
Ender leaves Valentine to go to Lusitania to speak the death of Pipo, who was killed by the piggies, and maybe finally find a home for the Hive Queen.
On Lusitania, Ender speaks the death of Marcao, Novinha's husband.
Ender makes a treaty with the piggies and helps lead Lusitania into rebellion against Starways.
Ender settles down and marries Novinha, and he releases the Hive Queen on Lusitania.