Masonic Hall and Post Office
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Almost from the start, Union offered several social, civic, and fraternal organizations. In 1872, group of Ancient Free & Accepted Masons was established. During the 19th century, Masons gave working-class people a social network for improving their lives and minds. By 1898, a Masonic Temple was built on Main Street. Today, the Masonic Hall is home to Union's Post Office.