The first head of state to visit the United States was the leader of Brazil, Dom Pedro II.

WHITEHOUSE: President Obama Speaks to the People of Brazil

The United State on Friday played host to the first in a series of meetings with Japan to find ways to work together on global climate change, said the administration.

CNN: Bush plugs new plans to study global warming

Sixty-four years ago, the United States became the first country in the world to recognize the State of Israel--the realization of a modern day state in the historic homeland of the Jewish People.

WHITEHOUSE: Statement by the President on Israeli Independence Day

In 2002, she became President of the Medical Association of the State of Alabama, making her the first African American woman to be president of a State Medical Society in the United States.

WHITEHOUSE: THE WHITE HOUSE

Louis, I also joined Secretary Arne Duncan and Missouri Governor Jay Nixon at Carnahan High School of the Future to participate in the Great Central U.S. ShakeOut--the largest-ever, multi-state earthquake drill to be held in the United States, and the first major drill to take place along the New Madrid Seismic Zone, which was the site of one of the worst earthquakes in U.S. history nearly 200 years ago.

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The plastic is made from corn starch sourced in the U.S. state of Nebraska, and Paget says it is the first of its kind to appear in the United Kingdom.

CNN: Eco-friendly bottle for ethical water