Black and white image of two tractors. Horizontal black text reading "75 Years of Progress" divides the button into upper and lower halves. Black text on white background around the border of the button.  

The Cedar Valley Engine Club held a show in the mid-1970s celebrating 75 years as a club. The club was established as a non-profit on September 14th, 1966, with their first official meeting at Mitchell County Fairgrounds, Iowa. Collectors of farm machinery and other historically significant industrial pieces, to this day, meet at fairgrounds to share these pieces. Since 1970, the club's show has been held at a location seven miles West of Charles City, Iowa. 

White text on black background.

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Black text on white background.

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Illustration of a cute baby chick hatching from a blue, purple, green, and white egg below dark pink text on a light pink background. 

The button pictured above was manufactured by the greeting card company Hallmark in 1982 for Easter. The design is modeled off of the company's 'Merry Miniature' series. 

Illustration of a train pulling a trolley, surrounded by large, bold text.  Black text on a white background.

This button is a souvenir from Kanawha, Iowa's 'Diamond Jubilee Celebration' in 1974. 'Diamond Jubilee,' in this context, refers to the town's 75th founder's day celebration. The locomotive train symbolizes Kanawha's connection to the burgeoning railroad industry in the late 19th ce.—in 1899, the town was founded once a newly constructed railroad had arrived from Belmond, Iowa.

Red cursive text and blue text with small white stars placed within each letter on white background. 

The 'Dixie Jubilee' is a comedy show developed and organized by singer, producer, and entrepreneur, Calvin Gilmore. The variety show ran from the late 1980s to 1993 in North Myrtle Beach, South Carolina. 

Black-and-white image of the Renwick, Iowa School with black text on white background. 

The United States celebrated its Bicentennial on Sunday, July 4, 1976, the 200^th anniversary of the adoption of the Declaration of Independence. Celebrations were held in small towns and big cities throughout the year. According to the Iowa American Revolution Bicentennial Commission Report, the commemoration in Iowa was not centered on any one event or location, but consisted of a series of parades, festivals and celebrations put together by grassroots organizations such as the The Renwick Iowa Bicentennial Committee.

The Renwick, Iowa Independent School District was formed in 1892 and housed in a two story frame building until 1916 when it was moved to a two story brick building on the north side of town. In the mid-1950s, Renwick, Hardy and Vernon consolidated systems under the name Boone Valley. Due to declining enrollment, the district dissolved in 1988.

Blue and white illustration of a school band member standing on a pedestal surrounded by blue text on white background. 

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Pink bubble letters on pink background. 

The Slurpee is a drink invented in 1965 by the 7-11 company, a chain convenience store. 7-11 would promote new flavors of the iced soft drink, Pink Fink being one of their many promotional flavors, by having their staff wear large buttons. Smaller buttons were given away to customers who participated in the promotion by drinking the seasonal flavor. 7-11 began licensing the frozen drink from the Icee Company in 1967 to expand their flavor selections.

Black and white photograph of four dwarf sibling actors posed on stage.

Grace, Harry, Tiny, and Daisy Earles formed what was known to the public as "The Doll Family" and "The Moving Picture Midgets." The siblings immigrated from Germany to Pasadena, California with their parents and three other siblings.  In the U.S. they performed in sideshows, circuses, and multiple motion pictures, most notably Tod Browning's Freaks (1932) and The Wizard of Oz (1939).  Harry and Daisy were the main characters in Freaks and all the dwarf siblings had bit parts in The Wizard of Oz, with Harry playing a member of the Lollipop Guild.  After their movie careers spanning the 1920s and 1930s, the Doll Family performed in Barnum and Bailey circus.