Kenya only has two seasons: one is dry and the other is rainy. Kenya is named after Mt. Kenya, a significant landmark and one of the country's three world heritage sites. According to paleontological records, the oldest known history of mankind comes from Kenya. A fossil known as 'Kenya Man' has been dated to be 3.5 to 3.2 million years old. Professor Wangari Maathai, a native Kenyan, is the first African woman to win the Nobel Peace Prize. Kenya was a British colony from 1895 to 1963. Most of the people in Kenya are either very rich or very poor, there isn't a true middle class. Kenyans prefer drinking tea over coffee and beverages are usually served hot or at room temperature. There are 40 different ethnic groups that call Kenya home.