query: When did the Writer's Almanac radio program first air?
passage: The Writer's Almanac
The Writer's Almanac is a daily podcast and newsletter of poetry and historical interest pieces, usually of literary significance. Begun as a radio program in 1993,[1][2] it is hosted by Garrison Keillor and was produced and distributed by American Public Media through November 2017. Today it is available on Keillor's and major podcast platforms. Past program sponsors include The Poetry Foundation (using funds from a large bequest from philanthropist Ruth Lilly),[3] publisher of Poetry Magazine and The Mosaic Foundation of Rita and Peter Heydon.
passage: List of Booknotes interviews first aired in 1991
Booknotes is an American television series on the C-SPAN network hosted by Brian Lamb, which originally aired from 1989 to 2004. The format of the show is a one-hour, one-on-one interview with a non-fiction author. The series was broadcast at 8 p.m. Eastern Time each Sunday night, and was the longest-running author interview program in U.S. broadcast history.