Observed on 19 August

Aim : To  honor the humanitarian workers who risk or sacrifice their lives while helping people in crisis, highlighting the spirit of global solidarity.

• Background: Declared by the UN General Assembly in 2008 to commemorate those killed in the 2003 Canal Hotel bombing in Baghdad, including UN envoy Sérgio Vieira de Mello.
• Inauguration: First observed in 2009.
• Theme 2025: “Strengthening Global Solidarity and Empowering Local Communities”.