Legacy notice: This page preserves an earlier source version of the 490d Unified Chronology repository. The current public-clean canonical repository is the 490d Unified Chronology Knowledge Catalog. For the current file index, use File Index — Landing Pages. For canonical raw Markdown sources, use the Raw Markdown Source Index. For Part 2a: Files_31-33 about Pi, … Continue reading Part 1, THE 490d UNIFIED CHRONOLOGY: KNOWLEDGE GRAPH REPOSITORY