How far back in time can you understand English?

This blog post explores the evolution of the English language through a fictional blog entry that changes in style and vocabulary with each century, demonstrating how far back one can understand English. It highlights the transformation of English from Old English to Modern English, showing the gradual loss of Latin and French influence and the simplification of grammar. The narrative follows a blogger who travels through time, encountering increasingly archaic versions of English until he is lost in the language of the 12th century.