As an AI language model, I do not have personal opinions or the capability to ascertain 'interesting' facts. However, I can provide some significant events that happened on January 20 throughout the history of New York:

1. 1937 - Franklin D. Roosevelt was inaugurated for his second term as the President of the United States, from his family's ancestral home in Hyde Park, New York. This made him the only U.S. President to be inaugurated in New York State.

2. 1977 - A massive blackout affected much of New York City, the largest in the history of the city. The cause of the blackout, which lasted for more than one day, was a malfunction in a substation of an electricity supplier.

3. 1981 - The Iranian Hostage Crisis ended when 52 American hostages who had been held captive in Iran for 444 days were freed and arrived back in New York City. A large ticker-tape parade was held in their honor.

4. 1993 - Bill Clinton officially became the 42nd President of the United States, in his inaugural ceremony held in Washington D.C. However, Clinton's Inaugural Ball was held at the Sheraton New York Hotel and Towers in midtown Manhattan, which was attended by numerous celebrities.

5. 2019 - The temperature in New York City reached an unusual high of 65°F (18°C), breaking the record for the warmest January day ever recorded in the city's history. The previous record had been set in 1950.