chronology
noun [ C or U ] uk/krəˈnɒl.ə.dʒi/ us/krəˈnɑː.lə.dʒi/
按事件发生的年代排列的顺序;（大事）年表
the order in which a series of events happened, or a list or explanation of these events in the order in which they happened
I'm not sure of the chronology of events. 我对事件发生的时间顺序不是很有把握。