Animals put on trial...

Animals and insects faced the possibility of criminal charges
for several centuries across many parts of Europe. The earliest
extant record of an animal trial is the execution of a pig in 1266
at Fontenay-aux-Roses. Such trials remained part of several
legal systems until the 18th century.

Animals put on trial were almost invariably either
domesticated ones (most often pigs, but also bulls,
and horses) or pests such as rats and weevils
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In the Middle Ages, pest control was rare, and people
had no effective means to protect their harvest. This gave
rise to events that seem bizarre from a modern perspective.
In 1320, for instance, cockchafers (may bugs) were brought
to court in Avignon and sentenced to withdraw within
three days onto a specially designated area, otherwise
they would be outlawed. Subsequently since they
failed to comply, they were collected and killed
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You can read an article about animal trials here,
Peter Dinzelbacher: 'Animal Trials: A Multidisciplinary
Approach'. Journal of Interdisciplinary History, 2002

Trial of a pig
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