historic'means 'having importance in history' or 'having influence on history' ; a historic place, event or moment that is important because it will be remembered as a part of history
Winning in the African Cup is a historic event.
'historical'means 'having taken place in history', 'from the past' or 'pertaining to history' ; a historical fact, research, document happened or existed in the past
Archaeologists have found many historical documents in Egypt.