# Wedding of Prince William and Catherine Middleton

> The royal wedding generated 72 million live streams on the official YouTube channel.

- Owner: Prince William and Catherine Middleton / Royal Household
- Kind: Moment
- Sector: Culture (no sector)
- Seed date: 2011-04-29
- Observed peak date: 2011-04-29
- Date basis: Observed peak within the documented measurement window; not an all-time maximum.
- Spread Score: 48 (Notable, provisional), v1.3
- Mechanics: Real-world spectacle, Platform jump, Press loop, Dupe economy

## Summary

The wedding aired on television and YouTube. Viewers posted reactions and built Pippa Middleton fan pages. Dressmakers copied both sisters' gowns. The ceremony album reached number four on the UK compilations chart, and officials announced a dress exhibition.

## Timeline

- 2010-11-16 — Royal Household (Press) — The Royal Household announced the engagement of Prince William and Catherine Middleton.
- 2011-03-02 — St James's Palace (Open web) — The palace launched a wedding website linking its YouTube, Twitter, Facebook and Flickr accounts.
- 2011-04-19 — Royal Household / Google (YouTube) — The Royal Household announced a YouTube livestream and invited video messages for a wedding guest book.

The full timeline, metrics and sources are on the case page, or via the Pro API (https://howitspread.com/developers).

Canonical URL: https://howitspread.com/cases/royal-wedding-2011

Cite as: How It Spread (2026). “Wedding of Prince William and Catherine Middleton.” Case HIS-01588. Spread Score v1.3: 48/100. Updated 2026-10-23. https://howitspread.com/id/HIS-01588