Speciesism is a term used in philosophy and animal ethics for the treatment of individuals according to their species membership. The term has several definitions. Some writers define it as discrimination or unjustified treatment based on species membership, while others define it more broadly as differential treatment based on species, regardless of whether that treatment is justified. Richard D. Ryder, who coined the term, defined it as "a prejudice or attitude of bias in favour of the interests of members of one's own species and against those of members of other species".
World Day Against Speciesism (International)
On June 5, in the year 0, World Day Against Speciesism (International). This event is recorded as a Holidays event in the history of June 5, one of 376 recorded events on this date across all of history.
Key Facts
- This event took place on June 5, 0 (AD era).
- It is categorised as a Holidays event in recorded history.
- Referenced in 2 Wikipedia articles.
- Wikipedia source last updated on 4 June 2026.
On This Date in History 376
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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