Wikislippy:Selected anniversaries/April 6
From Wikislippy
- 1320 - The Scots reaffirm their independence by signing the Declaration of Arbroath.
- 1869 - Celluloid is patented.
- 1973 - Launch of Pioneer 11 spacecraft.
- 2006 - NZSL (New Zealand sign language) is made an official language of New Zealand
