Found occurrences of 1621 AD in 18 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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Document Max. Freq. ⇩ Min. Freq. ⇩
Harper's Encyclopedia of United States History (ed. Benson Lossing) 31 31 Browse all entities in this document
George Bancroft, History of the Colonization of the United States, Vol. 1, 17th edition. 23 23 Browse all entities in this document
Southern Historical Society Papers, Volume 10. (ed. Reverend J. William Jones) 12 12 Browse all entities in this document
Lucius R. Paige, History of Cambridge, Massachusetts, 1630-1877, with a genealogical register 6 6 Browse all entities in this document
Knight's Mechanical Encyclopedia (ed. Knight) 3 3 Browse all entities in this document
George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 2, 17th edition. 2 2 Browse all entities in this document
Medford Historical Society Papers, Volume 24. 2 2 Browse all entities in this document
Cambridge History of American Literature: volume 1, Colonial and Revolutionary Literature: Early National Literature: Part I (ed. Trent, William Peterfield, 1862-1939., Erskine, John, 1879-1951., Sherman, Stuart Pratt, 1881-1926., Van Doren, Carl, 1885-1950.) 2 2 Browse all entities in this document
Thomas Wentworth Higginson, A book of American explorers 2 2 Browse all entities in this document
Medford Historical Society Papers, Volume 26. 1 1 Browse all entities in this document
Medford Historical Society Papers, Volume 29. 1 1 Browse all entities in this document
Plato, Republic 1 1 Browse all entities in this document
Thomas Wentworth Higginson, Henry Walcott Boynton, Reader's History of American Literature 1 1 Browse all entities in this document
HISTORY OF THE TOWN OF MEDFORD, Middlesex County, Massachusetts, FROM ITS FIRST SETTLEMENT, IN 1630, TO THE PRESENT TIME, 1855. (ed. Charles Brooks) 1 1 Browse all entities in this document
Benjamnin F. Butler, Butler's Book: Autobiography and Personal Reminiscences of Major-General Benjamin Butler 1 1 Browse all entities in this document
Horace Greeley, The American Conflict: A History of the Great Rebellion in the United States of America, 1860-65: its Causes, Incidents, and Results: Intended to exhibit especially its moral and political phases with the drift and progress of American opinion respecting human slavery from 1776 to the close of the War for the Union. Volume I. 1 1 Browse all entities in this document
H. Wager Halleck , A. M. , Lieut. of Engineers, U. S. Army ., Elements of Military Art and Science; or, Course of Instruction in Strategy, Fortification, Tactis of Battles &c., Embracing the Duties of Staff, Infantry, Cavalry, Artillery and Engineers. Adapted to the Use of Volunteers and Militia. 1 1 Browse all entities in this document
The Daily Dispatch: March 14, 1863., [Electronic resource] 1 1 Browse all entities in this document