Timeline for Animation as user feedback: how to do accessibility here without being redundant?

9 events

when toggle format	what		by	license	comment
May 21, 2015 at 2:26	answer	added	Mervin		timeline score: 2
May 20, 2015 at 20:58	answer	added	Izhaki		timeline score: 1
May 19, 2015 at 12:02	history	edited	John John	CC BY-SA 3.0	edited body
May 19, 2015 at 11:55	history	edited	John John	CC BY-SA 3.0	edited body
May 19, 2015 at 11:49	history	edited	John John	CC BY-SA 3.0	Clarifying.
May 19, 2015 at 11:11	history	edited	John John	CC BY-SA 3.0	Clarifying.
May 19, 2015 at 9:18	answer	added	Chris		timeline score: 1
May 18, 2015 at 21:56	history	edited	John John	CC BY-SA 3.0	Improving .
May 18, 2015 at 18:55	history	asked	John John	CC BY-SA 3.0