when the strong arm of Government smites it without fear or respect. [Illustration: THE COAL FLEET.] Pittsburgh was incorporated a borough in 1794. Her first glassworks was built in 1797; and both her population and her industries multiplied until she was made a city in 1816. In 1845 (April 10th), a great fire destroyed about one third of the total area of the city, including most of the large business houses and factories, the bridge over the Monongahela, the large hotel known as the Monongahela House and several churches;—in all about eleven hundred buildings. The Legislature appropriated $50,000 for the relief of the sufferers. In 1877, the municipal government, being, in its personnel, at the moment incompetent to preserve the fundamental principles on which it was established, permitted a strike of railroad employees to grow without restriction as to the observance of law and order until it became an insurrection. Three million dollars’ worth of property was destroyed by riot and incendiarism in a few hours. When at last outraged authority was properly shifted from the supine city chieftains to the indomitable State itself, it became necessary, before order could be restored, for troops to fire, with a sacrifice of human life. The lesson was worth all it cost, and anarchy has never dared to raise its head in the corporation limits since that time. [Illustration: CARNEGIE INSTITUTE.] In 1889, the great flood at Johnstown, accompanied by a frightful loss of life and destruction of property, touched the common heart of humanity all over the world. The closeness of Johnstown geographically made the sorrow at Pittsburgh most poignant and profound. In a few hours almost the whole population had brought its offerings for the stricken community, and besides clothing, provisions and every conceivable thing necessary for relief and comfort, the people of Pittsburgh contributed $250,000 to restore so far as possible the material portion of the loss.