Note : Time order -> B.C / B.C.E -> C.E / A.D
B.C would be deducted each time when it goes to future
After 1 B.C , 1 C.E comes up and continues forward.
Taking the notes, from past to future,
A - Egyptians started building the Great Pyramids at Giza in B.C.E 2575
B - Socrates was executed in 399 B.C
C - Muhammad fled Mecca for Medina in 622 A.D
D - The main part of the Cathedral of Notre Dame was completed in 1250 C.E.
