Houston, Texas elects Annise Parker. The City of Houston becomes the most populous city in the United States to have an openly gay mayor.

Piazza Fontana bombing. A bomb exploded at the building of the National Agrarian Bank, Milan, Italy, killing 17 people and injuring 88.

Kenyan independence. Kenya declared its independence from the UK.

Pennsylvania becomes the second state to ratify the U.S. Constitution.. It was the first of the larger states to vote to ratify the document.