On April 25:
- 1719 - Robinson Crusoe by Daniel Defoe was first published.
- 1898 - Spanish-American War: The U.S. Congress retroactively declared war on Spain.
- 1916 - ANZAC Day was commemorated in Australia and New Zealand for the first time.
- 1953 - A paper describing the structure of DNA was published.
- 1961 - Robert Noyce was granted the first patent for an integrated circuit.
On April 25:
- 1719 - Robinson Crusoe by Daniel Defoe was first published.
- 1898 - Spanish-American War: The U.S. Congress retroactively declared war on Spain.
- 1916 - ANZAC Day was commemorated in Australia and New Zealand for the first time.
- 1953 - A paper describing the structure of DNA was published.
- 1961 - Robert Noyce was granted the first patent for an integrated circuit.