 The first TV ad broadcast in the UK was on ITV on 22 September 1955, advertising Gibbs SR toothpaste.
<fluency>  The first TV ad broadcast in the UK was on ITV on 22 September 1955, advertising Gibbs SR toothpaste.
 The first TV ad broadcast in the U.K. was on ITV on 22 September 1955, advertising Gibbs SR toothpaste.