Say hello to Evi

Evi is our best selling mobile app that can answer questions about books, music, films, conversions, history, people, places and much more.

To experience the full power of Evi you can download her app for free on iOS, Android and Kindle Fire.

You asked:

when did barack obama become the president of us

  • Barack Obama
    Barack Obama
    the United States
    the United States
    Tuesday January 20th 2009.