Explaining the foundations of the “270-Year Cycle Theory,” which identifies the fundamental transitions of governing principles every 270 years based on 10,000 years of historical data (Yamada, 2026)
White & Green Co., Ltd. / Hiroshi Yamada What Diatoms Teach Us Scoop up a handful of water from any […]
White & Green Co., Ltd. / Hiroshi Yamada The Secret of the Soccer Ball Look closely at a soccer ball.
WHGR World Historical Geopolitical Resonance 世界歴史地政学的共鳴指標 — A Public Explanation of the Concept and Purpose — White & Green Co.,
270-Year Cycle — Research Paper Summary / Zenodo DOI: 10.5281/zenodo.19302054 “Divide 270 by any integer — and Japan’s earthquake periodicities
Supplementary Analysis — Paper Addendum Two Additional Propositions on Hegemonic Transition Theory:“The Non-Simultaneous Terminal Design” and “Does Hegemonic Transition Require
270-Year Cycle Research — New Paper Do Hegemonic Transition Cycles Align with the 270-Year Civilization Cycle?A Quantitative Test Across 500
History may be more predictable than we think. This research applies the 270-Year Historical Cycle — statistically validated across 9
Through the analysis of 11 civilizations across 5,000 years, the 270-year cycle has predicted transition points with remarkable accuracy. However,
History repeats itself. This pattern has been observed across virtually every civilization on Earth — from ancient China and the