In 1910 an International Conference of Working Women was held in Copenhagen. A woman named Clara Zetkin (Leader of the ‘Women’s Office’ for the Social Democratic Party in Germany) tabled the idea of an International Women’s Day. She proposed that every year in every country there should be a celebration on the same day – a Women’s Day – to press for their demands.
The conference of over 100 women from 17 countries, representing unions, socialist parties, working women’s clubs, and including the first three women elected to the Finnish parliament, greeted Zetkin’s suggestion with unanimous approval and thus International Women’s Day was the result.
The very first International Women’s Day was launched the following year by Clara Zetkin in March 1911 .
Plans for the first International Women’s Day demonstration were spread by word of mouth and in the press.
Success of the first International Women’s Day in 1911 exceeded all expectations. (source www.internationalwomensday.com/first.asp)