1. The First Macy's Thanksgiving Day Parade was held in 1924.
On November 21, 1924, the first ever Macy's Thanksgiving Day Parade was held in New York City. The parade featured floats, bands, and animals borrowed from the Central Park Zoo, and ended with Santa Claus riding on a sleigh.

2. FDR signed the Works Progress Administration into law in 1935.
On November 21, 1935, President Franklin D. Roosevelt signed the Works Progress Administration (WPA) into law. This massive federal program aimed to put millions of unemployed Americans back to work during the Great Depression by funding public works projects like roads, bridges, and schools.

3. The UN General Assembly adopted the Declaration of the Rights of the Child in 1959.
On November 21, 1959, the United Nations General Assembly adopted the Declaration of the Rights of the Child. This document established 10 principles for the protection and well-being of children, including rights to health care, education, and freedom from exploitation.

4. The famous black-and-white cookie was invented in NYC in the early 1900s.
The iconic black-and-white cookie, beloved by New Yorkers and visitors alike, was invented in the early 1900s by a bakery in New York City. On November 21, enjoy this delicious treat in honor of its origin!

5. The IRT subway line opened in 1904.
On November 21, 1904, the Interborough Rapid Transit (IRT) subway line opened in New York City, connecting City Hall in Manhattan to 145th Street in the Bronx. The IRT was the first subway system in New York City and the country, and revolutionized public transportation in the city.