How did women's day originate?

International Women’s Day originated in the early 20th century amidst the labor movements in North America and Europe. The first official observance was celebrated on February 28, 1909, in the United States, organized by the Socialist Party to honor the 1908 garment workers' strike. The idea gained international traction, leading to the first official International Women's Day on March 19, 1911, in several European countries. It has since evolved into a global day recognizing women's achievements and advocating for gender equality.