coincident

mastery
UK /kəʊˈɪnsɪd(ə)nt/ US /koʊˈɪnsəd(ə)nt/adjnoun

card 1 of 6 · context meaning

What is the meaning of 'coincident' in this sentence?

The 13th year of his Reign was coincident in winter with the 20th of the Peloponnesian war.