File:Christopher Street Liberation Day Gay-In offset flyer, 1970.jpg

Summary

Description	English: "Christopher Street Liberation Day Gay-In" offset flyer promoting the picnic in Golden Gate Park following the first Pride parade in San Francisco. Year: 1970 From the Charles Thorpe Papers (1987-02) at the GLBT Historical Society, San Francisco, California.
Date	1970
Source	https://www.glbthistory.org/labor-of-love
Author	Unknown authorUnknown author

Licensing

This work is in the public domain in the United States because it was published in the United States between 1930 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.

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