The US aired its first-ever TV commercial.
The ad was by Bulova Watch Co and cost just $9!
Source
The UK returned Hong Kong's control back to China after 156 years of British rule.
The Battle of Somme began.
Court TV was launched on American cable television.
The United States Postal Service introduced ZIP codes for US mail.
The Cassini–Huygens spacecraft became the first to enter Saturn's orbit.
