Portal:History of science/Selected anniversaries/June 4
- 780 BC - The first historic solar eclipse is recorded in China.
- 470 BC - Birth of Socrates, Greek philosopher (d. 399 BC)
- 1704 - Birth of Benjamin Huntsman, English inventor and manufacturer (d. 1776)
- 1754 - Birth of Franz Xaver, Baron Von Zach, Austrian scientific editor and astronomer (d. 1832)
- 1787 - Birth of Constant Prévost, French geologist (d. [[1856])
- 1877 - Birth of Heinrich Wieland, German biochemist and Nobel Prize laureate (d. 1957)
- 1916 - Birth of Robert F. Furchgott, American chemist and Nobel Prize laureate
- 1973 - Death of Maurice René Fréchet, French mathematician (b. 1878)
- 2002 - 50000 Quaoar is discovered; it is the largest known minor planet at the time.