False memory: The Mandela Effect

"In 2010 this phenomenon of collective false memory was dubbed the "Mandela Effect" by self-described "paranormal consultant" Fiona Broome, in reference to a false memory she reports, of the death of South African leader Nelson Mandela in the 1980s (rather than in 2013 when he actually died), which she claims is shared by "perhaps thousands" of other people. Broome has speculated about alternate realities as an explanation, but most commentators suggest that these are instead examples of false memories shaped by similar factors affecting multiple people, such as social reinforcement of incorrect memories, or false news reports and misleading photographs influencing the formation of memories based on them."

https://en.wikipedia.org/wiki/False_memory

ΣΧΕΤΙΚΟ ΑΠΟ ΤΟΝ 7/11: «Χωρο-χρονικός» μανδύας αορατότητας ;;; (Space - Time Cloak)