The wheel, invented around 3500 B.C., revolutionized transportation and machinery, facilitating the movement of goods and people. The printing press, developed by Johannes Gutenberg in the 15th century, enabled mass production of books, significantly enhancing the dissemination of knowledge and literacy. Both inventions have profoundly influenced technological advancement and societal development. #GreatestInventions #Wheel #PrintingPress #TechnologicalAdvancements #HumanProgress #InnovationHist