Wikipedia:Selected anniversaries/January 15

January 15: John Chilembwe Day in Malawi, Korean Alphabet Day in North Korea, Martin Luther King Day in the United States (2007), Pongal in Tamil Nadu (2007).

• 1759 - The British Museum opened to the public.

• 1885 - Wilson Bentley took the first photograph of a snowflake.

• 1919 - Rosa Luxemburg and Karl Liebknecht, two prominent socialists in Germany, were tortured and murdered by the Freikorps.

• 1943 - Construction of the world's largest office building, The Pentagon (pictured), was completed.

• 1967 - The Green Bay Packers defeated the Kansas City Chiefs in the American football championship game now known as Super Bowl I.

Recent days: January 14 – January 13 – January 12

More anniversaries:

• December 31
• January 1
• January 2