-synchronism-

n. [ Gr. &unr_;, fr. &unr_; to be contemporary with, from &unr_; synchronous. See Synchronous. ] 1. The concurrence of events in time; simultaneousness. [ 1913 Webster ]

2. The tabular arrangement of historical events and personages, according to their dates. [ 1913 Webster ]

3. (Paint.) A representation, in the same picture, of two or events which occured at different times. [ 1913 Webster ]