February 1925
[[February 20]], 1925 (Friday)
[February 20](/wiki/February_20 "February 20"), 1925 (Friday)
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* A mine explosion in [Sullivan, Indiana](/wiki/Sullivan%2C_Indiana "Sullivan, Indiana") killed 51\.
* **Born:** [Robert Altman](/wiki/Robert_Altman "Robert Altman"), filmmaker, in [Kansas City, Missouri](/wiki/Kansas_City%2C_Missouri "Kansas City, Missouri") (d. 2006\)

How can a mine explosion in Sullivan, Indiana be prevented?