Today in Washington State History From Seattle Mayor Devin inaugurates Civic Unity Committee on February 14, 1944. Earthquake hits Puget Sound on February 14, 1946. Ferry <em>Kalakala</em> begins using world's first commercial marine radar set on February 14, 1946. Construction at Sea-Tac Airport unearths an extinct giant sloth on February 14, 1961. Central Association of Seattle announces plans on February 14, 1963, to tear down Pike Place Market. Seattle, King County, and State of Washington suspend lawsuit against baseball's American League on February 14, 1976, clearing way for Mariners. Fat Tuesday celebration in Pioneer Square begins officially on February 14, 1977.