1. In 1932, the Whitney Museum of American Art opened on June 3 in New York City. Founded by Gertrude Vanderbilt Whitney, the museum is dedicated to showcasing American art from the 20th and 21st centuries.

2. On June 3, 1861, the Union's Winfield Scott became the first general-in-chief of the United States Army. Scott was born in Virginia but sided with the Union during the Civil War. His strategy of a blockade and a slow, steady advance helped win the war for the Union.

3. On June 3, 1943, the Brooklyn Dodgers and Cincinnati Reds played a game in Ebbets Field that went on for 19 innings. The game ended in a 2-2 tie due to a curfew rule in New York.

4. June 3, 1888, marked the first performance of "Casey at the Bat" in New York City. The poem, written by Ernest Lawrence Thayer, became one of the most iconic pieces of American literature and has been adapted into plays, operas, and movies.

5. On June 3, 1965, astronaut Ed White became the first American to perform a spacewalk during the Gemini 4 mission. White spent 21 minutes outside the capsule, floating freely in space while attached to a tether.