An ounce is a unit of weight which is approximately equal to 28  grams. One gallon is equal to 128 ounces so there are 640 ounces in  5 gallons of water.
The first U.S. railroad to use a steam locomotive in revenue service was the South Carolina Railroad. It opened on Christmas Day 1830 using the Best Friend of Charleston steam locomotive on six miles of track in Charleston, South Carolina.
The first newspaper to print the Declaration was the Pennsylvania Evening Post on July 6, 1776. On July 8th the Declaration had its first public reading in Philadelphiaâs Independence Square. Twice that day the Declaration was read to cheering crowds and pealing church bells. Even the bell in Independence Hall was rung.