look up will durants series of books The Story of Civilization and then go from there. The book are also on audio.
The Story of Civilization
Durant, Will (1935) Our Oriental Heritage. New York: Simon & Schuster.
Durant, Will (1939) The Life of Greece. New York: Simon & Schuster.
Durant, Will (1944) Caesar and Christ. New York: Simon & Schuster.
Durant, Will (1950) The Age of Faith. New York: Simon & Schuster.
Durant, Will (1953) The Renaissance. New York: Simon & Schuster.
Durant, Will (1957) The Reformation. New York: Simon & Schuster.
Durant, Will, & Durant, Ariel (1961) The Age of Reason Begins. New York: Simon & Schuster.
Durant, Will, & Durant, Ariel (1963) The Age of Louis XIV. New York: Simon & Schuster.
Durant, Will, & Durant, Ariel (1965) The Age of Voltaire. New York: Simon & Schuster.
Durant, Will, & Durant, Ariel (1967) Rousseau and Revolution. New York: Simon & Schuster.
Durant, Will, & Durant, Ariel (1975) The Age of Napoleon. New York: Simon & Schuster.
After you have read/listened to the series read this:
http://www.onehundredbestbooks.com/
hundred books for a general education
and this:
http://theinvisiblementor.com/wp-content/uploads/2015/02/100-Best-Books-for-an-Education.pdf
takes 4 years to read at 7 hours reading pr week - 10 hours per volume