On this day, Dec. 10

1851 The Pennsylvania Railroad formally began business in the city of Pittsburgh with its rail line extended as far as Turtle Creek. At that point, passengers transferred to stagecoach, which bridged a 28mile gap in the rail connection.

1898 A treaty was signed in Paris officially ending the Spanish-American War.

1954 The University of Pittsburgh announced plans to build four additional structures at a total cost of $2.9 million — a 336-parking-space garage and physicians office building to serve the Medical Center, a student union and a men’s dormitory.

1964 The Rev. Martin Luther King Jr. received his Nobel Peace Prize in Oslo, saying he accepted it “with an abiding faith in America and an audacious faith in the future of mankind.”

1979 The Wheeling-Pittsburgh Steel Corp. presented its employees with an ultimatum: Accept cuts in their “excessive” incentive pay or see the firm’s Allenport plant closed.

2007 Suspended NFL star Michael Vick was sentenced by a federal judge in Richmond, Va., to 23 months in prison for bankrolling a dogfighting operation and killing dogs that underperformed (Vick served 19 months at Leavenworth).

Some items are from Stefan Lorant’s “Pittsburgh: The Story of an American City” (digital.library.pitt.edu/chronology).