feb 28, 1899 - Secretary of State Hay sends first open door note.
Description:
he Open Door Policy is a term in foreign affairs initially used to refer to the United States policy established in the late 19th century and the early 20th century, as enunciated in Secretary of State John Hay's Open Door Note, dated September 6, 1899 and dispatched to the major European powers.Added to timeline:
Date:
feb 28, 1899
Now
~ 127 years ago