The Our World television broadcast aired on June 25, 1967 and was estimated to reach 400 million viewers in 24 countries.
Notes on verification
Date and country count are well corroborated across multiple independent sources; viewer estimate varies (400-700 million) but 400 million figure is commonly cited and consistent with claim.
Sources
- The Beatles' 'All You Need Is Love': A Minute-by-Minute Breakdown (rollingstone.com)
- https://internationalbroadcasts.fandom.com/wiki/Our_World (internationalbroadcasts.fandom.com)
- https://www.wbur.org/cognoscenti/2017/06/26/satellite-tv-julie-wittes-schlack (wbur.org)
- https://www.historyofinformation.com/detail.php?id=3153 (historyofinformation.com)
- https://www.parkes.atnf.csiro.au/people/sar049/our_world/ (parkes.atnf.csiro.au)