June 12, 1900 (Tuesday)
- By a vote of 201–103, the Reichstag approved the expansion of the German navy, doubling the number of ships to 96 in all.
- In Chicago, hundreds of spectators at a circus were thrown to the ground when the seating collapsed, just as the performance began. Fourteen people were hospitalized. A week earlier, twelve people had been hurt in a collapse of seats at the same circus.
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