![On This Day in Pittsburgh History: May 20, 1887
The Duquesne Incline starts operations on Mount Washington. [Wikipedia]](http://24.media.tumblr.com/e99895bc8359b355de3adebf60ba44bb/tumblr_mn3qi6K0RA1qakblyo1_500.png)
On This Day in Pittsburgh History: May 20, 1887
The Duquesne Incline starts operations on Mount Washington. [Wikipedia]
![View from Mount Washington focusing on Water Street, Pittsburgh, c. 1910. [Life in Western Pennsylvania]](http://25.media.tumblr.com/64847b5753633e2e7700450e9cdcdd47/tumblr_ml5dmsvvzk1qakblyo1_500.jpg)
View from Mount Washington focusing on Water Street, Pittsburgh, c. 1910. [Life in Western Pennsylvania]
![On This Day in Pittsburgh History: December 18, 1977
South Busway, the first bus-rapid-transit road in the U.S., opens. [Wikipedia; The Pittsburgh Press]](http://25.media.tumblr.com/c3a479dbe7c6b58a1b95bb86b70dd44f/tumblr_mf8jtcaw801qakblyo1_500.png)
On This Day in Pittsburgh History: December 18, 1977
South Busway, the first bus-rapid-transit road in the U.S., opens. [Wikipedia; The Pittsburgh Press]
On This Day in Pittsburgh History: November 21, 1960
Light Up Night has its first official debut at 6 p.m., and all department stores unveil their holiday displays. The previous year a smaller unofficial light-up event was launched. [Wikipedia; Brady Stewart]
![On This Day in Pittsburgh History: May 20, 1887
The Duquesne Incline starts operations on Mount Washington. [Wikipedia]](http://24.media.tumblr.com/tumblr_m451v0PKWA1qakblyo1_500.png)
On This Day in Pittsburgh History: May 20, 1887
The Duquesne Incline starts operations on Mount Washington. [Wikipedia]
![View from Mount Washington focusing on Water Street, Pittsburgh, c. 1910.
Most of the buildings on Water Street shown in this photo are still in existence to this day. The North Side can be seen in the left background. Note the crowded commercial and industrial area near the Point at the confluence of the Monongahela and Allegheny Rivers. [Life in Western Pennsylvania]](http://24.media.tumblr.com/tumblr_m2r37gHwnL1qakblyo1_500.jpg)
View from Mount Washington focusing on Water Street, Pittsburgh, c. 1910.
Most of the buildings on Water Street shown in this photo are still in existence to this day. The North Side can be seen in the left background. Note the crowded commercial and industrial area near the Point at the confluence of the Monongahela and Allegheny Rivers. [Life in Western Pennsylvania]
![South Hills High School Library, Pittsburgh, 1950. Samuel A. Musgrove, Pittsburgh Public Schools Photographs, Library and Archives Division, Senator John Heinz History Center. [University of Pittsburgh Digital Archives]](http://25.media.tumblr.com/tumblr_m29jylk1B31qakblyo1_500.png)
South Hills High School Library, Pittsburgh, 1950. Samuel A. Musgrove, Pittsburgh Public Schools Photographs, Library and Archives Division, Senator John Heinz History Center. [University of Pittsburgh Digital Archives]
On This Day in Pittsburgh History: May 20, 1887
The Duquesne Incline starts operations on Mount Washington. [Wikipedia]
![View from Mount Washington focusing on Water Street, Pittsburgh, c. 1910. [Life in Western Pennsylvania]](http://24.media.tumblr.com/tumblr_m2r37gHwnL1qakblyo1_1280.jpg)
View from Mount Washington focusing on Water Street, Pittsburgh, c. 1910. [Life in Western Pennsylvania]
On This Day in Pittsburgh History: December 18, 1977
South Busway, the first bus-rapid-transit road in the U.S., opens. [Wikipedia; The Pittsburgh Press]
On This Day in Pittsburgh History: November 21, 1960
Light Up Night has its first official debut at 6 p.m., and all department stores unveil their holiday displays. The previous year a smaller unofficial light-up event was launched. [Wikipedia; Brady Stewart]
On This Day in Pittsburgh History: May 20, 1887
The Duquesne Incline starts operations on Mount Washington. [Wikipedia]
![Grand View Avenue, Mount Washington, South Side, Pittsburgh, 1911 [OrchardLake’s Flickr]](http://25.media.tumblr.com/tumblr_m33k41wA8i1qakblyo1_500.jpg)
View from Mount Washington focusing on Water Street, Pittsburgh, c. 1910.
Most of the buildings on Water Street shown in this photo are still in existence to this day. The North Side can be seen in the left background. Note the crowded commercial and industrial area near the Point at the confluence of the Monongahela and Allegheny Rivers. [Life in Western Pennsylvania]
South Hills High School Library, Pittsburgh, 1950. Samuel A. Musgrove, Pittsburgh Public Schools Photographs, Library and Archives Division, Senator John Heinz History Center. [University of Pittsburgh Digital Archives]
![Grandview Avenue on Mount Washington, 1890 [WQED]](http://24.media.tumblr.com/tumblr_lyslhyriP71qakblyo1_500.png)
