1. George Washington evacuates New York City (1776): On December 30, 1776, during the Revolutionary War, George Washington was forced to retreat from New York City as British troops under the command of General William Howe advanced on the city. It was a significant moment in the war, as New York was a strategic location and the British now had control over a major port.

2. The New York State Thruway opens (1954): The New York State Thruway, a major interstate highway that runs from New York City to Buffalo, opened on December 30, 1954. The 570-mile-long road is one of the longest toll roads in the United States and is heavily used by commuters and tourists.

3. The Waldorf Astoria Hotel is sold (1980): The iconic Waldorf Astoria Hotel, located in midtown Manhattan, was sold to the Helmsley Corporation on December 30, 1980, for $149 million. The hotel has a long history and has hosted many famous guests, including presidents, celebrities, and royalty.

4. Times Square Ball Drop becomes an annual tradition (1907): On December 30, 1907, the Times Square Ball Drop became an annual event in New York City. The ball is dropped every year on New Year's Eve to mark the beginning of the new year, and the event attracts millions of people from all over the world.

5. New York City becomes the largest city in the United States (1820): On December 30, 1820, New York City officially became the largest city in the United States, with a population of 123,706. The city had been growing rapidly in the early 19th century, and it continued to expand and develop throughout the century, becoming the cultural and financial center of the country.