On this day in history - December 12

What Happened On This Day – December 12

• 2009 Houston, Texas elects Annise Parker

  The City of Houston becomes the most populous city in the United States to have an openly gay mayor.

• 1969 Piazza Fontana bombing

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

• 1963 Kenyan independence

  Kenya declared its independence from the UK.

• 1787 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.