International Women's Day is celebrated every March 8th to commemorate the struggle for women's rights and equality. It originated from women joining together to protest inequality in the early 20th century. The document then discusses how in early societies, women faced discrimination, lack of access to education, violence, and other issues. It provides some examples from India such as the parda system, sati pratha, and girls not being allowed to go to school. The passage notes how women struggled and sacrificed to gain rights over time through movements. It highlights some prominent Indian women who helped prove women's abilities, such as Savitribai Phule as the first female teacher and Anandibai Joshi as the first female doctor.