International Mother Language Day
UNESCO states that International Mother Language Day has been observed internationally since 2000.
See the observances and verified observance-history milestones attached to February 21. Each observance keeps its own source and date details.
Selected observance milestones connected to this date, based on reviewed sources.
UNESCO states that International Mother Language Day has been observed internationally since 2000.
A/RES/56/262
Bangladesh Tourism Board / Government of Bangladesh
National Day Calendar’s proclamation record states that Siete Family Foods founded National Grain-Free Day in 2019 and that the registrar proclaimed it annually on February 21.
The IUCN SSC Pangolin Specialist Group says World Pangolin Day is celebrated on the third Saturday of February and was founded in 2012 by Rhishja Cota.
A/RES/56/262
Bangladesh Tourism Board / Government of Bangladesh
National Day Calendar’s proclamation record states that Siete Family Foods founded National Grain-Free Day in 2019 and that the registrar proclaimed it annually on February 21.
The IUCN SSC Pangolin Specialist Group says World Pangolin Day is celebrated on the third Saturday of February and was founded in 2012 by Rhishja Cota.
This page combines fixed annual dates, reusable calendar rules and year-specific dates confirmed for 2026. Variable or historical dates are included only when they are clearly supported.
Read the methodology →