1. In 1953, the U.S. Congress approved the construction of the Interstate Highway System, which would bring major infrastructure improvements to Washington D.C. and the surrounding area.

2. On June 5, 1967, the Six-Day War broke out between Israel and several Arab nations, including Egypt and Syria. The war had major repercussions for U.S. policy in the Middle East, including the eventual creation of the Camp David Accords in 1978.

3. In 2002, the D.C. Circuit Court of Appeals ruled against the federal government's attempt to intervene in a dispute over the ownership of a painting by artist Mark Rothko. The case centered on whether the painting, which had been sold by a gallery in New York, should be considered part of the National Gallery of Art's collection.

4. June 5, 2019 marked the 17th annual National Gun Violence Awareness Day, which aims to raise awareness of the toll of gun violence in communities across the country. The day is marked by events and campaigns across the U.S.

5. In 2012, the D.C. City Council passed a bill legalizing same-sex marriage in the District, making it one of just a handful of jurisdictions in the U.S. at the time to recognize such marriages. The law went into effect on June 5 of that year, paving the way for an expansion of LGBTQ rights nationwide.