39 out of 50 delegates signed the US Constitution and shared it publicly.
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The Dutch expedition captained by Admiral Van Warwyck first sighted Mauritius.
Finnish long-distance runner Taisto Mäki broke the 10,000-meter world record in 29:52:06.
Conjoined twins were successfully separated for the first time.
Inventor Phillip W Pratt obtained the patent for his sprinkler system designed to extinguish fires.
The fourth great fire of San Francisco happened, destroying a considerable portion of the city.
