Title: Martina Navratilova
Content: Open to her resume just a few weeks before her 50th birthday, 32 years after her first Grand Slam title in 1974. Originally from Czechoslovakia, she was stripped of her citizenship when, in 1975 at age 18, she asked the United States for political asylum and was granted temporary residency. At the time, Navratilova was told by the Czechoslovak Sports Federation that she was becoming too americanised, and she should go back to school and make tennis secondary. Navratilova became a US citizen in 1981, and on January 9, 2008, she reacquired Czech citizenship. She stated she has not renounced

Title: Martina Navratilova
Content: informed them that she wished to defect from Communist Czechoslovakia. Within a month, she received a green card and in 1981 became a US citizen. Also, in 1975, Navratilova teamed with then world number one, Chris Evert, to win the French Open women's doubles title, Martina's first major title. They teamed again in 1976 to win the women's Wimbledon doubles title over Billie Jean King and Bette Stove. Navratilova won her first major singles title at Wimbledon in 1978, where she defeated Evert in three sets in the final and captured the world No. 1 ranking for the first time

Title: Martina Navratilova
Content: in 1974, at the age of 17. Upon arriving in the United States, Navratilova first lived with former Vaudeville actress, Frances Dewey Wormser, and her husband, Morton Wormser, a tennis enthusiast. Navratilova was the runner-up at two major singles tournaments in 1975. She lost in the final of the Australian Open to Evonne Goolagong and in the final of the French Open to Chris Evert over three sets. After losing to Evert in the semifinals of that year's US Open in September, the 18-year-old Navratilova went to the offices of the Immigration and Naturalization Service in New York City and

Title: Martina Navratilova
Content: her U.S. citizenship nor does she plan to do so, and that reclaiming Czech nationality was not politically motivated. Navratilova was born Martina Šubertová in Prague, Czechoslovakia. Her parents divorced when she was three, and her mother, an accomplished gymnast, tennis player, and ski instructor, moved the family to Řevnice. In 1962, her mother Jana married Miroslav Navrátil, who became her first tennis coach. Martina then took the name of her stepfather (adding the feminine suffix "ová"), thus becoming Martina Navrátilová (). Her father, Mirek (officially Miroslav Subert), was a ski instructor and remarried and divorced. When she was eight,

Title: Martina Navratilova
Content: in 2006. In 1981, shortly after becoming a United States citizen, Navratilova gave an interview to "New York Daily News" sports reporter Steve Goldstein, coming out as bisexual and revealing that she had a sexual relationship with Rita Mae Brown, but asked him not to publish the article until she was ready to come out publicly. However, the "New York Daily News" published the article on July 30, 1981. Navratilova and Nancy Lieberman, her girlfriend at the time, gave an interview to "Dallas Morning News" columnist Skip Bayless, where Navratilova reiterated that she was bisexual and Lieberman identified herself as

Question: In which decade did Martina Navratilova take US citizenship?
Answer: 1980s