Question: What county contains the work location of the president making father's day a national holiday?

<P0-S0> 26 march 1991 is the day that marks the clash between military soldiers and peaceful demonstrating students which climaxed in the massacre of dozens under the orders of then president moussa traoré. <P0-S1> he and three associates were later tried and convicted and received the death sentence for their part in the decision-making of that day. <P0-S2> nowadays, the day is a national holiday in order to remember the tragic events and the people that were killed. <P0-S3> [unreliable source?] <P0-S4> the coup is remembered as mali's march revolution of 1991. <SEP> <P1-S0> Lano was one of a number of FBI agents who was falsely accused as a source of information for Carl Bernstein and the "Washington Post" during the investigation, which helped shift White House suspicions away from Mark Felt, who was revealed as informant Deep Throat on May 31, 2005. <P1-S1> Angelo J. Lano was an American field agent for the Federal Bureau of Investigation in Washington DC, notable for his work heading the investigation of, and appearing as a witness for, the Watergate scandal surrounding President Richard M. Nixon. <SEP> <P2-S0> A bill to accord national recognition of the holiday was introduced in Congress in 1913. <P2-S1> Six years later, the day was made a permanent national holiday when President Richard Nixon signed it into law in 1972. <P2-S2> In 1916, President Woodrow Wilson went to Spokane to speak at a Father's Day celebration and he wanted to make it an officially recognized federal holiday, but Congress resisted, fearing that it would become commercialized. <P2-S3> US President Calvin Coolidge recommended in 1924 that the day be observed throughout the entire nation, but he stopped short at issuing a national proclamation. <P2-S4> Two earlier attempts to formally recognize the holiday had been defeated by Congress. <P2-S5> In 1957, Maine Senator Margaret Chase Smith wrote a Father's Day proposal accusing Congress of ignoring fathers for 40 years while honoring mothers, thus ``(singling) out just one of our two parents ''. <P2-S6> In 1966, President Lyndon B. Johnson issued the first presidential proclamation honoring fathers, designating the third Sunday in June as Father's Day. <SEP> <P3-S0> a bill to accord national recognition of the holiday was introduced in congress in 1913. in 1916, president woodrow wilson went to spokane to speak in a father's day celebration and wanted to make it official, but congress resisted, fearing that it would become commercialized. <P3-S1> us president calvin coolidge recommended in 1924 that the day be observed by the nation, but stopped short of issuing a national proclamation. <P3-S2> two earlier attempts to formally recognize the holiday had been defeated by congress. <P3-S3> in 1957, maine senator margaret chase smith wrote a proposal accusing congress of ignoring fathers for 40 years while honoring mothers, thus ``(singling) out just one of our two parents ''. <P3-S4> in 1966, president lyndon b. johnson issued the first presidential proclamation honoring fathers, designating the third sunday in june as father's day. <P3-S5> six years later, the day was made a permanent national holiday when president richard nixon signed it into law in 1972. <SEP> <P4-S0> As of the 2010 census, the city population was 1,131. <P4-S1> Washington is a city in, and the county seat of, Washington County, Kansas, United States.