The 'c' stands for the speed of light. You don't need fancy equipment to measure it. All you need is a microwave, ruler, bar of chocolate and a calculator. How to: 1  Take the turntable out of the microwave. 2  You need the chocolate to stay still whilst you heat it.
April 17, 1861 - Delegates at the Virginia Convention in Richmond pass an Ordinance of Secession by a vote of 88 to 55. Thirty-two of the no votes come from trans-Allegheny delegates, who are more firmly Unionist than representatives from other parts of the state.
After the Civil War began in April, four slave states â Virginia, Arkansas, North Carolina, and Tennessee â of the Upper South also declared their secession and joined the Confederacy.