The Lion and the Unicorn are symbols of the United Kingdom. They are, properly speaking, heraldic supporters appearing in the full Royal coat of arms of the United Kingdom. The lion stands for England and the unicorn for Scotland. The combination therefore dates back to the 1603 accession of James I of England who was already James VI of Scotland.
Wikipedia Article on The Lion and the Unicorn.
The depiction of a Unicorn as a horned horse predates Webster’s dictionary, invalidating this argument.
The Lion and the Unicorn are symbols of the United Kingdom. They are, properly speaking, heraldic supporters appearing in the full Royal coat of arms of the United Kingdom. The lion stands for England and the unicorn for Scotland. The combination therefore dates back to the 1603 accession of James I of England who was already James VI of Scotland.
Wikipedia Article on The Lion and the Unicorn.
The depiction of a Unicorn as a horned horse predates Webster’s dictionary, invalidating this argument.