Today is Friday, Sept. 9, the 253rd day of 2016. There are 113 days left in the year.

On this date:

In 1850, California became the 31st state of the union.

In 1893, Frances Cleveland, wife of President Grover Cleveland, gave birth to a daughter, Esther, in the White House; it was the first (and, to date, only) time a president’s child was born in the executive mansion.

In 1919, some 1,100 members of Boston’s 1,500-man police force went on strike. (The strike was broken by Massachusetts Gov. Calvin Coolidge with replacement officers.)

In 1926, the National Broadcasting Co. (NBC) was incorporated by the Radio Corp. of America.

In 1948, the Democratic People’s Republic of Korea (North Korea) was declared.

In 1956, Elvis Presley made the first of three appearances on “The Ed Sullivan Show.”

In 1965, Sandy Koufax of the Los Angeles Dodgers pitched a perfect game against the Chicago Cubs at Dodger Stadium. Final score: 1-0.

In 1971, prisoners seized control of the maximum-security Attica Correctional Facility near Buffalo, New York, beginning a siege that ended up claiming 43 lives.