Time of memory
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In English law
Time commencing from the beginning of the reign of Richard I. 2 Bl. Comm. 31. Lord Coke defines time of memory to be "when no man alive hath had any proof to the contrary, nor hath any conusance to the contrary."
Co. Litt86a, 86b