On this day, September 15, in Ukraine and around the World:
Ukrainian Observances and Commemorative Dates:
Day of the Radiological, Chemical, and Biological Protection Troops of the Armed Forces of Ukraine. This day is dedicated to the servicemen who protect the country from threats related to radiological, chemical, and biological weapons.
Day of Forest Workers. A professional holiday that honors the work of forestry workers in Ukraine.
International Observances and Commemorative Dates:
International Day of Democracy. Established by the UN General Assembly in 2007. The purpose of the holiday is to draw attention to the state of democracy worldwide.
World Lymphoma Awareness Day. This day is dedicated to informing people about lymphomas and increasing awareness of the disease.
International Dot Day. A holiday that inspires people to express creativity and self-expression.
Birthday of the Environmental Organization "Greenpeace". Celebrated on September 15, as this is the day in 1971 when this international non-governmental organization was founded.
Other Commemorative Dates
Independence Day: Guatemala, Honduras, Costa Rica, Nicaragua, El Salvador.
Battle of Britain Day (United Kingdom).
Engineer's Day (India).
Church Holidays (according to the new calendar)
Commemoration Day of the holy great martyr Nicetas the Goth.