This day in history

1916 - Military tanks went into action for the first time in history as part of the Allied offensive at the Battle of the Somme.

September 15

1916 - Military tanks went into action for the first time in history as part of the Allied offensive at the Battle of the Somme.

1928 - Scottish bacteriologist Alexander Fleming discovers penicillin while studying influenza.

2008 - Lehman Brothers Holdings Inc. files for Chapter 11 bankruptcy, the largest in US history triggering a global economic meltdown.