February 23

Thursday 23, 1995:

The Dow Jones Industrial Average gains 30.28 to close at 4,003.33, closing above 4,000 for the first time.

Tuesday 23, 1954:

The first mass vaccination of children against polio begins in Pittsburgh, Pennsylvania.

Sunday 23, 1947:

International Organization for Standardization(ISO) is founded.

Saturday 23, 1861:

President-elect Abraham Lincoln arrives secretly in Washington, DC after an assassination attempt in Baltimore, Maryland.

Tuesday 23, 1847:

In Mexico, American troops defeat Mexican general Antonio López de Santa Anna.

More on February, 23

• February, 23 in History
• People Born on February, 23
• They left us on February, 23