Chronology
Science of arranging events in order of occurrence
Chronology (from Latin chronologia, from Ancient Greek 蠂蟻蠈谓慰蟼, chr贸nos, 'time'; and -位慰纬委伪, -logia) is the science of arranging events in their order of occurrence in time, such as in a timeline or other sequence of events. It is also "the determination of the actual temporal sequence of past events".