On a global scale, the "Great Forgetting" refers to the thousands of years of human history—specifically the hunter-gatherer era—that were largely erased from collective memory as farming and urban civilizations took over.

Individually, we all grapple with a "forgotten past." This can be a natural biological process or a conscious psychological choice.

: Some books, like Ireland's Forgotten Past , detail overlooked stories ranging from Mesolithic communities to WWII refugees, proving that history is often a selection of narratives rather than a full picture. The Personal Past: Memory and Identity

Fortunately, the past isn't always gone for good. Modern tools and personal reflection can bring it back.

: In some cases, forgetting is a survival mechanism. Experts like Tony Robbins suggest that letting go of past hurts is essential to living in the present. Tips include practicing mindfulness and creating physical distance from the source of painful memories.

: Most adults cannot remember events from before the ages of 4 to 6. While early theories suggested this was due to repressed trauma, research shows that even happy memories from this period naturally fade over time.

: When later generations encountered massive structures like Stonehenge or the burial mounds in Nordic countries, they often attributed them to giants or wizards because the actual techniques for moving such stones had been forgotten.