What is records have been written for how many years?

Records have been written for at least 5,000 years. The earliest known written records are from the ancient Sumerian civilization in Mesopotamia (modern-day Iraq), dating back to around 3500 BC. These records were written on clay tablets using a cuneiform script. Other early civilizations, such as the ancient Egyptians and Chinese, also developed writing systems and kept written records. Over the centuries, writing has become an essential part of human communication and record-keeping, and it has taken many forms, from handwritten manuscripts to printed books to digital files.