: Major historical setbacks, such as the Bronze Age Collapse or the burning of the Library of Alexandria , resulted in centuries of technological and cultural "dark ages" where advanced knowledge was simply wiped out.
Individually, we all grapple with a "forgotten past." This can be a natural biological process or a conscious psychological choice. Forgotten Past
: 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. : Major historical setbacks, such as the Bronze
: Most people will be completely forgotten within four generations (100–150 years). This realization often prompts people to focus on "meaningful work and good deeds" in the present rather than worrying about a permanent legacy. Rediscovering What Was Lost Experts like Tony Robbins suggest that letting go
: 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
: 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.
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.