1943 - The music category is added.
1950 - Gwendolyn Brooks is the first African-American to win a Pulitzer. She wins in the Poetry category for "Annie Allen."
1962 - The non-fiction category is added.
1999 - Newspapers are allowed to use online presentations to supplement their entries to the public service category.
2002 - Cash awards for winners are increased from $7,500 to $10,000.
2005 - It is announced that newspapers that also publish a print edition can submit entries solely published online, but online-only newspapers still will not be allowed to enter.
2012 - The entry rules are changed, "...all journalism entries must be submitted electronically..."