Today is Wednesday, Sept. 28, the 272nd day of 2016. There are 94 days left in the year.

On this date :

In 1787, the Congress of the Confederation voted to send the just-completed Constitution of the United States to state legislatures for their approval.

In 1914, the First Battle of the Aisne during World War I ended inconclusively.

In 1928, Scottish medical researcher Alexander Fleming discovered penicillin, the first effective antibiotic.

In 1939, during World War II, Nazi Germany and the Soviet Union signed a treaty calling for the partitioning of Poland, which the two countries had invaded.

In 1958, voters in the African country of Guinea overwhelmingly favored independence from France.

In 1976, Muhammad Ali kept his world heavyweight boxing championship with a close 15-round decision over Ken Norton at New York’s Yankee Stadium.

In 1989, deposed Philippine President Ferdinand E. Marcos died in exile in Hawaii at age 72.

In 1991, jazz great Miles Davis died in Santa Monica, California, at age 65.