Queen Wilhelmina of the Netherlands becomes the first reigning queen to address a joint session of the United States Congress.

Wilhelmina was Queen of the Netherlands from 1890 until her abdication in 1948. She reigned for nearly 58 years, making her the longest-reigning monarch in Dutch history, as well as the longest-reigning female monarch outside the United Kingdom. Her reign saw World War I, the Dutch economic crisis of 1933 and World War II.

The United States Congress is the legislative branch of the federal government of the United States. It is a bicameral legislature, including a lower body, the U.S. House of Representatives, and an upper body, the U.S. Senate. They both meet in the United States Capitol in Washington, D.C.