Lascaux cave paintings – 15,000-17,000 BCE
http://www.lascaux.culture.fr/?lng=en
Petroglyphs – 10,000 to 12,000 years ago, if not earlier
http://www.ancestral.com/meaning.html
Ishango Bone – approximately 20,000-25,000 years ago
http://afrolegends.com/2013/08/29/the-ishango-bone-craddle-of-mathematics/
Sumerian – 8,000 BC
http://www.britannica.com/topic/Sumerian-language
Cuneiform – 3200 BC
http://www.omniglot.com/writing/sumerian.htm
Phoenician – 1500 BC
http://www.ancientscripts.com/phoenician.html
Hieroglyphics – c. 3200 BC – AD 400
http://www.ancient-egypt-online.com/ancient-egyptian-hieroglyphics.html
Chinese calligraphy – 1,000 BC
http://www.metmuseum.org/toah/hd/chcl/hd_chcl.htm
Greek alphabet – 1000 BC
http://www.greek-language.com/Alphabet.html
Roman alphabet
http://www.ancientscripts.com/latin.html
Rosetta Stone – 196 BC
Column of Trajan – 113 BC
http://www.nationalgeographic.com/trajan-column/
The First Roman Fonts
Book of Kells – 800 AD
https://www.tcd.ie/visitors/book-of-kells/
Leaf from a Beatus Manuscript: the Fourth Angel Sounds the Trumpet and an Eagle Cries Woe – 945 AD
http://www.metmuseum.org/collection/the-collection-online/search/466204
Labors of the Months from the Très Riches Heures – 1400-1500 AD
http://publicdomainreview.org/collections/labors-of-the-months-from-the-tres-riches-heures/