1. In 1789, George Washington was inaugurated as the first president of the United States in New York City. However, on April 30, 1802, the District of Columbia witnessed the inauguration of its first mayor and city council members.

2. On April 30, 1812, President James Madison signed the act of Congress that established the first public school system in Washington, D.C. called "The Public Schools of Washington."

3. In 1865, President Abraham Lincoln's funeral procession traveled from the White House to the Capitol Rotunda in Washington, D.C. where his body lay in state for three days. On April 30, thousands of mourners paid their respects to the fallen president.

4. On April 30, 1900, the Women's Army and Navy League was founded in Washington, D.C. to support military service members and their families.

5. In 1974, the District of Columbia Home Rule Act was signed into law by President Richard Nixon, granting limited self-government to the residents of Washington, D.C. On April 30 of that year, the first elected mayor and city council since the Civil War held a swearing-in ceremony.