In June of that same year, Virginia ratified the Constitution, and New York followed in July. On February 2, 1790, the U.S. Supreme Court held its first session, marking the date when the government was fully operative. Rhode Island, the last holdout of the original 13 states, finally ratified the Constitution on May 29, 1790.
How Often Should You Flush Your Brake Fluid. You should flush the brake fluid in your car at least once a year to maintain peak performance. This is important because proper braking performance is crucial to safety. Properties of Brake Fluid.
In most cases, getting a transmission flush every 30,000 miles, or every two years or so is sufficient. However, there may be times when you need to get a transmission flush sooner, in order to help protect your car's transmission.