Sir Robin Knox-Johnston completed the world’s first non-stop, single-handed global circumnavigation.
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Spain and Portugal signed the Treaty of Saragossa.
The US Congress passed legislation that allowed the 'In God We Trust' inscription on the currency.
The German army used chlorine gas for the first time.
A controversial bill to send asylum seekers to Rwanda was approved by the UK's parliament.
Twenty million Americans mobilized to call for greater protections for our planet. This became the world's first Earth Day.
