- June 23
- 1831 – The Boston and Worcester Railroad is chartered to build a railroad between its namesake cities in Massachusetts.
- 1899 – Henry B. Plant, president of the Plant System of railroads, dies (b. 1819).
- 1979 – New South Wales Premier Neville Wran officially opens the Eastern Suburbs Railway in Sydney.
- 2004 – Madrid Metro (pictured) orders 698 new subway cars valued at €1 billion; the order is shared by Bombardier and Siemens.
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