On Saturday, men and women around the world celebrate International Women’s Day. An official holiday for many countries, the day has been observed since the 1900s as a chance to celebrate women's economic, political and social achievements. As a tribute to women everywhere, here are some of the exceptional women using Instagram to document their incredible stories of talent, triumph and humanitarianism: 10-year-old child slavery campaigner @makeastandlemonaid and @standwithme, Kenyan actress @lupitanyongo, Brazil's president Dilma Rouseff @palaciodoplanalto, aid worker @nineteenfiftyone, Olympic gold medalist @mikaelashiffrin, hunger activist @laurenblauren, Palestinian photographer and education activist @lauraboushnak, female education activist Malala Yousafzai @malalafund. To find out more, be sure to visit blog.instagram.com. Do you know of an incredible woman using Instagram to share their story? Let us know in the comments below!