The best way to remember this answer is by remembering the word SILVER. S (Well this word is just to make up the word , you can just skip this.) I (Init) L (Load) V (Validate) E (Event) R (Render)

SILVER right Best example from Shivprashad

Init,Page load,Page render,Page unload

Page_PreInitPage_InitPage_InitCompletePage_PreLoadPage_LoadPage_LoadCompletePage_PreRenderPage_PreRenderCompletePage_SaveStateCompleteRenderUnload

http://www.tutorialspoint.com/asp.net/asp.net_life_cycle.htm