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Profile Retro Baltimore is a blog for The Baltimore Sun that steps back in time in Baltimore and beyond.

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This Day in History: April 24


In 1906, President Theodore Roosevelt, Cabinet members, congressmen and officials from the French and American navies hosted a state funeral for John Paul Jones at the U.S. Naval Academy. Jones is considered a Revolutionary War hero and the father of the American Navy. Above, President Roosevelt delivers the keynote address at the ceremony. (Baltimore Sun file photo, 1906)

1800: The Library of Congress was established with a fund of $5,000 and Thomas Jefferson’s entire private library.

1898: Spain declared war on the U.S. after rejecting America’s ultimatum to withdraw from Cuba.

1944: The United Negro College Fund was incorporated.

1962: The Massachusetts Institute of Technology accomplished the first satellite relay of a television signal.

Compiled by Laura Lefavor and Paul McCardell.

30 years ago: Robert Gallo discovers the cause of AIDS


Robert C. Gallo was named the first Homer & Martha Gudelsky Distinguished Professor in Medicine at the University of Maryland School of Medicine, in Baltimore, during a Nov. 7, 2013, ceremony.

It’s been 30 years since federal health officials announced that a team led by Dr. Robert C. Gallo, now a University of Maryland researcher, had likely discovered the cause of AIDS, or acquired immunodeficiency syndrome, which had been first identified just a couple of years before and was fast becoming a vast global epidemic.

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This Day in History: April 23


In 1696, the Maryland General Assembly formed Prince George’s County from land in Calvert and Charles counties. The area was named for Prince George of Denmark, pictured above. (Baltimore Sun file photo)

1789: President-elect George Washington and his wife moved into the first executive mansion, the Franklin House, in New York.

1896: The Vitascope system for projecting movies onto a screen was demonstrated in New York.

1985: The Coca-Cola Co. announced it was changing the secret flavor formula for Coke. (Negative public reaction forced the company to resume selling the original version).

1988: A federal ban on smoking during domestic airline flights of two hours or less went into effect.

Compiled by Laura Lefavor and Paul McCardell.