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Anniversary information added. |
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Apr 15, 2024 |
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Anniversary information added. |
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Apr 07, 2024 |
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Media updated. |
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Feb 16, 2024 |
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First paragraph modernization. |
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Jan 23, 2024 |
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Add new Web site: African American Registry - Biography of Percy L. Julian. |
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Jun 13, 2022 |
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Add new Web site: BlackPast - Biography of Percy Lavon Julian. |
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May 28, 2021 |
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Add new Web site: Famous Scientists - Biography of Percy Lavon Julian. |
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May 28, 2021 |
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Media added. |
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Apr 18, 2016 |
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Changed title from "Percy L. Julian" to "Percy Julian." |
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Apr 11, 2014 |
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Add new Web site: African American Registry - Biography of Percy Lavon Julian. |
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Jul 31, 2013 |
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Add new Web site: BlackHistoryNow - Biography of Percy L. Julian. |
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Jul 31, 2013 |
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Add new Web site: American Chemical Society - Percy L. Julian and the Synthesis of Physostigmine. |
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Jul 31, 2013 |
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Add new Web site: Black Inventor Online Museum - Biography of Percy Julian. |
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Jul 31, 2013 |
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Added photograph. |
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Apr 06, 2012 |
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Article added to new online database. |
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Jan 12, 2000 |
