Passage: In the spring of 1969, she returned to Nairobi to continue studies at the University College of Nairobi as an assistant lecturer. In May, she and Mwangi Mathai married. Later that year, she became pregnant with her first child, and her husband campaigned for a seat in Parliament, narrowly losing. During the course of the election, Tom Mboya, who had been instrumental in founding the program which sent her overseas, was assassinated. This led to President Kenyatta effectually ending multi-party democracy in Kenya. Shortly after, her first son, Waweru, was born. In 1971, she became the first Eastern African woman to receive a PhD, her doctorate in veterinary anatomy, from the University College of Nairobi, which became the University of Nairobi the following year. She completed her dissertation on the development and differentiation of gonads in bovines. Her daughter, Wanjira, was born in December 1971.

Question: What happen with Waweru in 1971?
she became the first Eastern African woman to receive a PhD