--- title: Introduction to Event Sourcing | daily.dev description: A self-paced learning kit for Event Sourcing, created by Oskar Dudycz based on his years of practical experience and private training sessions. The kit covers... canonical: https://daily.dev/posts/introduction-to-event-sourcing-pqshghqmc twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Introduction to Event Sourcing | daily.dev og:description: A self-paced learning kit for Event Sourcing, created by Oskar Dudycz based on his years of practical experience and private training sessions. The kit covers... og:url: https://daily.dev/posts/introduction-to-event-sourcing-pqshghqmc og:image: https://api.daily.dev/og/posts/PqShGHQmC.png og:image:alt: Introduction to Event Sourcing og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Introduction to Event Sourcing **[Event-Driven by Oskar Dudycz](https://daily.dev/sources/event-driven-io)** · 4 min read · 0 upvotes · 0 comments ## Summary A self-paced learning kit for Event Sourcing, created by Oskar Dudycz based on his years of practical experience and private training sessions. The kit covers foundational concepts step by step: events definition, getting state from events, appending events, business logic with aggregates and command handlers, optimistic concurrency, and projections. It uses tools like Marten and EventStoreDB, and is open-sourced to make Event Sourcing more accessible to developers starting their journey. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Event Sourcing: Simple is often enough](https://daily.dev/posts/event-sourcing-simple-is-often-enough-ijvzsfk43) · We Are .NET · 0 upvotes · 0 comments --- Tags: [#architecture](https://daily.dev/tags/architecture), [#.net](https://daily.dev/tags/.net), [#domain-driven-design](https://daily.dev/tags/domain-driven-design) [View this post on daily.dev](https://daily.dev/posts/introduction-to-event-sourcing-pqshghqmc) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Introduction to Event Sourcing","url":"https://daily.dev/posts/introduction-to-event-sourcing-pqshghqmc","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/introduction-to-event-sourcing-pqshghqmc"},"datePublished":"2026-06-17T11:26:11.148Z","dateModified":"2026-06-17T11:32:27.474Z","description":"A self-paced learning kit for Event Sourcing, created by Oskar Dudycz based on his years of practical experience and private training sessions. 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