Myanmar (Burma) Independence Day
46 BC – Julius Caesar defeated Titus Labienus in the Battle of Ruspina.
1847 – Samuel Colt sold his first revolver pistol to the United States government
1948 – Burma gained its independence from the United Kingdom.
2004 – Spirit, a NASA Mars rover, landed successfully on Mars
2007 – The 110th United States Congress convened. It elected Nancy Pelosi as the first female Speaker of the House in U.S. history.
2010 – Burj Khalifa, the world's tallest building, was officially opened.
4 January Knowledge History - Science, Engineering and Management