Found occurrences of May 20th, 1840 AD in 2 documents in the collection. Click on a column heading to sort by it, or to toggle ascending or descending sorting for the current column:

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Harper's Encyclopedia of United States History (ed. Benson Lossing) 1 1 Browse all entities in this document
Francis Jackson Garrison, William Lloyd Garrison, 1805-1879; the story of his life told by his children: volume 2 1 1 Browse all entities in this document