International Open Data Day is observed annually on March 5, celebrating the concept of open data, which advocates for data to be free and accessible to everyone without restrictions. This day aims to promote the use of open data globally and encourages individuals and organizations to share and utilize data for various purposes, including scientific research and community development. The initiative was proposed and founded in 2010 by the Open Data Organization, with the date selected each year by its governing members. Typical actions on this day may include events and activities that raise awareness about the importance of open data and its potential to enhance productivity in fields such as science and technology. The celebration emphasizes the need for transparency and collaboration in data sharing, fostering a culture of openness and innovation.