Answer: April 24
Notes: World Day for Animals in Laboratories is observed annually on April 24. It raises awareness about the suffering of animals used in scientific testing and research. It was introduced in 1979 by the National Anti-Vivisection Society, it is recognized by many countries and animal rights groups as a symbol of compassion and a call for change in scientific experimentation. The date was chosen in honor of Lord Hugh Dowding, a prominent advocate for animal rights.
