May 23 marks World Turtle Day, an annual observance dedicated to raising awareness about turtles and tortoises, their role in ecosystems, and the importance of protecting them from environmental threats. While it may seem like a light-hearted awareness day at first glance, it also speaks to much wider themes around conservation, environmental responsibility, and the interconnectedness of natural systems.

May 22 marks the International Day for Biological Diversity, a global observance that highlights the importance of protecting the variety of life on Earth, from ecosystems and species to the environments that sustain communities around the world. This day reminds us that biodiversity is not only about nature in isolation, but about the deep connection between people, environment, and long-term wellbeing.

May 21 marks Global Accessibility Awareness Day (GAAD) and The World Day for Cultural Diversity for Dialogue and Development. GAAD focuses on digital access, inclusion and the importance of creating environments that are accessible to everyone. The World Day for Cultural Diversity for Dialogue and Development is designed to promote understanding between different cultures, encourage respect for cultural identities and traditions, support inclusive societies, highlight the role of culture in sustainable development and counter discrimination and cultural intolerance.

May 18 marks International Museum Day, a global observance that celebrates the role museums play in preserving history, sharing knowledge and connecting communities through culture, learning and storytelling.

The International Day Against Homophobia, Biphobia and Transphobia (IDAHOBIT) is observed annually on May 17 and raises awareness of discrimination faced by LGBTQ+ communities worldwide. The day highlights the importance of inclusion, equality and the ongoing need to challenge prejudice in all its forms.

The International Day of Families is observed annually on May 15 and highlights the importance of families in shaping societies, communities and individual wellbeing. The day encourages reflection on the many different forms families can take and the role supportive environments play in helping people thrive both personally and professionally.

May 14 marks Apraxia Awareness Day, a lesser-known but important observance that highlights a neurological condition which affects a person’s ability to plan and coordinate the movements needed for speech and communication. Awareness efforts are seen internationally through schools, healthcare providers, and speech-language associations.

As Mental Health Awareness Week continues, today May 13 offers a moment to pause and reflect on the role mental wellbeing plays in our everyday lives, both personally and within the workplace. Mental health is not a fixed experience. It can be shaped by a wide range of factors including environment, identity, workload, relationships, culture and access to support. For many people, these influences can intersect in ways that are not always visible but have a significant impact on how they feel and function day to day.

International Nurses Day is observed each year on May 12 and recognises the dedication, compassion and contribution of nurses across the world. Today highlights the essential role nurses play in supporting individuals, families and communities in a wide range of healthcare settings.

Mental Health Awareness Week starting on May 11 is dedicated to encouraging open conversations around mental wellbeing while promoting greater understanding, support and inclusion. This week aims to increase understanding of mental health issues, encourage early support and treatment, reduce discrimination and stigma, promote wellbeing and resilience and encourage community connection and open discussion.

During May, many countries around the world celebrate Mother’s Day, recognising the role of mothers and female carers. While traditions and celebrations vary globally, the observance also creates an opportunity to reflect on the importance of supporting mothers and female carers inside and outside the workplace.

Europe Day is celebrated annually on May 9 and recognises peace, unity and cooperation across Europe. Today celebrates European peace and cooperation, democracy and human rights, cultural unity and diversity, economic cooperation and the achievements of European integration.

World Red Cross Day takes place annually on May 8 and recognises the humanitarian work carried out by volunteers and organisations supporting communities affected by conflict, disaster and crisis. The observance highlights compassion, community support and the importance of protecting human dignity around the world.

World AIDS Orphans Day is observed each year on May 7 and highlights the importance of compassion, support and education. It also acknowledges the challenges many communities continue to face due to stigma, inequality and limited access to healthcare resources.

The European Day for Independent Living is recognised each year on May 5 and raises awareness of the rights of disabled people to live independently and participate fully in society.

May 4 marks the start of Deaf Awareness Week; an opportunity to raise awareness of Deaf communities, celebrate Deaf culture and encourage more inclusive communication practices. This week highlights the importance of accessibility and breaking down barriers that can prevent people from fully participating in workplaces, education and society.