Thought Experiment: The Non-Determinism of the Past

We challenge the classical assumption that the past consists of fixed, determinate events. By applying the Heisenberg Uncertainty Principle and Time-Reversal Symmetry to the verification of historical data, we propose that the past exists as a probability distribution that remains "fuzzy" even after measured. We introduce the "Measurement Stacking" effect, where subsequent attempts to verify a past event amplify its inherent uncertainty. Furthermore, we argue that the act of remembering or accessing recorded data is itself a quantum interaction that re-disturbs the historical state, suggesting that as we move further back in time, the past becomes increasingly open to probabilistic interpretation.