The outbreak of WWII in The New York Times — Poland — September 12 - 15, 1939 — Sold as a set Options:Include an archival box (Additional $45) Cradle of Peregrine White

Cradle of Peregrine White

I kissed a lot of frogs to find the ones we're offering tonight

An excellent write up on the event from the National History Education Clearinghouse answers  the question

Being a Complete History of the Social and Domestic Lives of the Presidents from Washington to the Present Time—1789-1881

including the date the cornerstone was laid

The outbreak of WWII in The New York Times — Poland — September 12 - 15, 1939 — Sold as a set Options:Include an archival box (Additional $45) Cradle of Peregrine WhiteThe New York Times for September 12 15, 1939 reporting the outbreak of World War II. September 12, 1939: POLES HALT ENEMY ON WIDE FRONT; FRENCH CONTINUE TO GAIN IN WEST; REICH TO INTENSIFY SHIPPING WAR September 13, 1939: NAZIS SAY WARSAW IS ENCIRCLED; POLES ASSERT FOE IS HURLED BACK; FRENCH DRIVE ON SAARBRUECKEN September 14, 1939: GERMAN BOMBING OPEN TOWNS; BRITAIN THREATENS TO RETALIATE; NAZI OFFENSIVE GAINS IN POLAND September 15, 1939: RUSSIA