Today In History
In 1914: Martha, the last passenger pigeon, died at the Cincinnati Zoo. Once there were hundreds of millions of passenger pigeons, but overhunting wiped them out.
In 1916: Congress barred the interstate sale of products made with child labor.
In 1939: Germany invaded Poland, setting off World War II.
In 1975: The final prime-time episode of “Gunsmoke” aired after 20 years on TV.