A People's Calendar (aPC) is an open-source project that seeks to promote the worldwide history of working class movements and liberation struggles in the form of a searchable "On This Day" style calendar.
Nadezhda Krupskaya, born on this day in 1869, was a Bolshevik revolutionary, feminist, and librarian who helped develop the Soviet educational system. In 1926, she authored a memoir of her life and the life of her husband, Vladimir Lenin.
Image: A photo portrait of Nadezhda Krupskaya in the 1890s, unknown author [Wikipedia]