NIO founded in Shanghai by William Li with backing from Tencent, Hillhouse, Sequoia, and others — targets premium EVs with a Tesla-like brand positioning but Chinese-market user-experience differentiation.

ES8 seven-seat electric SUV launches at NIO Day — the company's first volume model and the cornerstone of NIO's 'family EV' premium positioning above 400K yuan.

Opens first Power Swap battery-swap station in Shenzhen — defining feature of NIO's user experience and the contrarian bet that battery swap can solve charging anxiety better than fast-charging.

IPO on NYSE raises ~$1B — NIO becomes the first Chinese EV startup listed on a U.S. exchange, validating a path to Western capital for Chinese new-energy companies.

Hefei municipal investors inject ~$1B equity rescue — saving NIO from a near-bankruptcy cash crunch when COVID and weak China auto market dropped NIO's stock to under $2.50, before it later 100-bagger'd.

Norway market launch with ES8 — NIO's first European country and the first Chinese EV startup to enter Europe with full sales/service/swap infrastructure deployed simultaneously.

Expands to Germany, Netherlands, Sweden, and Denmark with ET7 sedan and battery-as-a-service (BaaS) subscription model — testing whether BaaS can resonate in non-China markets.

Abu Dhabi's CYVN Holdings invests $1.1B for ~7% stake — provides critical capital amid 2023 mass-market EV price war and deepens NIO's Middle East strategic ties.

Onvo (NIO's mid-market sub-brand) launches L60 SUV at 219,900 yuan — NIO's bid for volume below the premium NIO mainline brand, directly competing with Tesla Model Y and Xiaomi SU7.

ET9 flagship sedan launches at NIO Day at 788,000 yuan — China's first production car with steer-by-wire (no mechanical column), establishing NIO's tech-flagship credibility.

Unveils Firefly sub-brand for sub-200K-yuan EVs targeting Europe — NIO's first mass-market push and a structural pivot from premium-only to multi-brand portfolio across Firefly/Onvo/NIO mainline.

Surpasses 3,500 battery swap stations globally with over 82 million completed swaps to date — making NIO's network the world's largest swap-station network and validating BaaS as durable competitive moat.