Developer builds zoomable timeline of 4 million Wikipedia events using Kotlin

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A developer has created a zoomable timeline interface that visualises four million historical events sourced from Wikipedia and Wikidata. The project originated as a side component of a personal journal app built with Kotlin Multiplatform. Events are ranked and scored using the PageRank algorithm to determine their relative prominence. The technical stack includes Compose Multiplatform for the UI, Kotlinx-RPC for backend communication, and a PostgreSQL database hosted on a Hetzner server. The project was shared on Hacker News as an open side project inviting community feedback.

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