International Geodiversity Day
A UNESCO day on 6 October that celebrates the variety of rocks, minerals, landscapes and natural processes that shape the planet.
National Engineering Day
A UK day in November that celebrates engineers and their work, aimed at inspiring young people to consider engineering careers.
NSPCC Number Day
A UK schools maths day in early February when pupils play number games and raise money for the NSPCC.
Wear Red Day (Show Racism the Red Card)
A UK day in October when schools, workplaces and football clubs wear red and raise money to support anti-racism education.
Days of Remembrance (US)
The annual US week of Holocaust commemoration, running from the Sunday before Yom HaShoah to the Sunday after.
Outdoor Classroom Day (November)
The autumn date of Outdoor Classroom Day, when schools take lessons and play outside to show the value of time outdoors.
Outdoor Classroom Day (May)
The spring date of Outdoor Classroom Day, when schools take lessons and play outside to show the value of time outdoors.
Computer Science Education Week
A US week in December that celebrates computer science and the teachers who teach it, with classroom activities for students.
World Thinking Day
Held on 22 February, when Girl Guides and Girl Scouts around the world celebrate international friendship.
World Metrology Day
Marked on 20 May each year to highlight the science of measurement and the anniversary of the Metre Convention of 1875.