1. On January 8, 1790, the first Presidential Mansion in the United States was established in New York City, which at that time was the capital of the country. The mansion was designed by architect Samuel Osgood and eventually became known as the Federal House.

2. In 1827, the first black-owned and operated newspaper in the United States was published in Washington D.C. The paper, called the Freedom's Journal, was founded by John Russwurm and Samuel Cornish and was aimed at addressing issues affecting the black community.

3. On January 8, 1867, Congress passed the District of Columbia Suffrage Bill, which gave African American men the right to vote in municipal elections in the District. It was one of the first instances of black suffrage in the United States.

4. In 1894, the famous Cherry Blossom trees were gifted to the United States by the city of Tokyo as a symbol of friendship between the two nations. The first trees were planted on January 8 of that year in West Potomac Park in Washington D.C.

5. On January 8, 1964, President Lyndon B. Johnson delivered his State of the Union address to Congress, during which he outlined his plans for the Great Society, a set of domestic programs aimed at eliminating poverty and promoting social justice. The speech is considered one of the most important in American history.