context: Wangari Muta Maathai (1 April 1940 - 25 September 2011) was an activist for environmental issues and women's rights from Kenya. In 2004 he was the winner of the Nobel Peace Prize. [1] She is the first African woman to receive the award. He also served as Kenyan MP and assistant minister in the Mwai Kibaki government from January 2003 to November 2005.
question: When was Wangari Muta Maathai born?
answers.text: 1 April 1940