1920

n.d.: Richardson Concert Band and Bluebonnet Club reorganize.

1921

February 14: Tax revolt by eighty local residents in case of Blewett vs. Richardson Independent School District ends in failure when a district court dismisses a temporary injunction issued on January 21, 1920.

April 28: Soon-to-be Texas Governor Pat Neff gives a speech in red-brick school auditorium. Residents of Farmers Branch, Alpha, and Addison are also in attendance.

March 19: Thieves break into Thompson's dry goods store but get away with nothing. They also attempt to burglarize the H&TC depot safe.

1921 thru 1922

n.d.: In no fewer than four editorials, Richardson Echo publisher and editor Sam Harben endorses a resurgent Ku Klux Klan.

1922

Sept. 1-3: First official Richardson Community Fair is held.

1923

September 6: On the night before the second annual Richardson Community Fair opens, 1,000 members of the Dallas County Order of the KKK hold a parade in Richardson while 5,000 spectators watch and listen to speeches by Klan leaders afterward.

September 7-8: Second annual Richardson Community Fair is held. A large attendance is reported.

1924

n.d.: The "Red Brick Road" (now Greenville Avenue) is completed..

April 3: A tornado rips through Richardson, killing one and injuring 13 others.

September 5 & 6: The third annual Richardson Community Fair is held.

1925

April 21: A mass meeting is held at Walton's Lumber Yard, to discuss the town's lack of a waterworks and the ways by which such a system can be brought into existence. More than fifty citizens attend.

June 22: Richardson voters approve incorporation and elect Tom McKamy as first mayor of the City of Richardson.

July 8: A Courtesy Caravan of 125 Dallas Businessmen and Professionals visit Richardson. They are welcomed by a parade and speeches.

Aug. 23: Richardson voters approve a waterworks plan that calls for $25,000 to be spent on waterworks and sewer system.

October 23: In consideration of $500, Mrs. Nora F. Walton sells the City of Richardson a small piece of property to be used for "artesian well purposes" only.

1926

n.d.: Volunteer Fire Department formed.

Fri., March 26: The Richardson Chamber of Commerce is organized.

April 9: City artesian well water is supplied to homes and businesses for the first time.

July 7: Attorneys for the Thomas brothers file a lawsuit at the Dallas County courthouse against the mayor and commissioners of the City of Richardson, and also engineer E. L. Dalton, calling for a halt to the building of the wet septic tank that the city intends to build only 800 feet from the Thomases dairy barns and house.

1927

n.d.: Two new wings are added to red brick school.

July 8: The Richardson Echo reports that a painting gang for the Southern Pacific is spending a week repainting the depot green and yellow.

September: Following long delays caused by a lawsuit filed by local landowners, the Thomas brothers, Richardson's first sewerage system is at last completed.

1928

n.d.: Cliff and Kate Owens begin making their "Owens Country Sausage for sale.

1929

March 1: The Richardson Echo reports that postmistress Lillie Ragsdale has purchased the "Reddick double brick" from the Lingo Lumber Company and plans to move the post office there, with the Reddick grocery to continue to operate on the corner.

Dec. 25: An automobile crashes into brick post office building, damaging it and demolishing the car.