1. On February 26, 1877, the United States Congress declared Rutherford B. Hayes as the winner of the disputed Presidential election of 1876. This was a historic decision that cemented the political stability of the United States after a contested election.

2. In 1913, the Howard University Law School was founded in Washington D.C. It was the first law school in the United States to be established for African Americans and has produced a significant number of prominent lawyers and judges over the years.

3. On February 26, 1951, activist and entertainer Paul Robeson was compelled to testify before the House Un-American Activities Committee regarding his suspected Communist activities. Robeson's testimony, in which he passionately defended his beliefs and refused to "name names," is considered one of the most iconic moments in the history of the McCarthy era.

4. In 1986, the District of Columbia became the first jurisdiction in the United States to enact a law prohibiting discrimination on the basis of sexual orientation. This groundbreaking legislation was a major step forward for LGBTQ rights and set an important precedent for other states and cities to follow.

5. On February 26, 2019, the District of Columbia City Council passed the Comprehensive Plan Amendment Act of 2018, which established new guidelines for the city's land use and development policies. This important legislation aimed to address issues such as affordable housing, job creation, and environmental sustainability, and was hailed as a major victory for urban planning in the District.