1. January 26, 2009, marked the historic inauguration of President Barack Obama, the first African American President of the United States. The ceremony took place on the steps of the US Capitol Building in Washington, D.C., and was witnessed by millions of people around the world.

2. On January 26, 1843, the National Museum of American History was founded in Washington, D.C. The museum is home to some of the most iconic artifacts of American history, such as the Star-Spangled Banner and the First Ladies' Inaugural Gowns.

3. The National Cherry Blossom Festival, which takes place in Washington, D.C. every spring, officially began on January 26, 1927. The festival is a celebration of the friendship between the United States and Japan and commemorates the gift of cherry blossom trees from Tokyo to Washington, D.C. in 1912.

4. On January 26, 1863, President Abraham Lincoln issued the Emancipation Proclamation, which declared that all slaves in the Confederate states "shall be then, thenceforward, and forever free." The proclamation was a milestone in the fight for civil rights and the end of slavery in America.

5. January 26, 2019, marked the second Women's March in Washington, D.C. The march was organized to promote women's rights and to protest against the policies of the Trump administration. Tens of thousands of people participated in the march, including celebrities, politicians, and activists.