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1940 Famous Americans – Poets

1940 Famous Americans – Authors

1939 The 50th Anniversary of the Statehood of North Dakota, South Dakota, Washington & Montana

1939 Printing

1939 The 25th Anniversary of the Panama Canal

1939 The 100th Anniversary of Baseball

1939 Washington’s Inauguration

1939 New York’s world’s fair

1939 Golden Gate exposition

1938 The 100th Anniversary of Iowa Territory