Respuesta :

Timelines help us line up when things happened, like if you were doing a timeline of your life for example, mark where things happened in order like when you were born, first word, first step, ect ect. Its just a way to put things in order. 
AngelofMemory
Timelines are a good way to see how events played out, and in what order they played out. They are also useful for comparing and contrasting eras.