Old Forester Birthday Bourbon 2023 Edition: A Toast to Time-Honored Tradition Celebrate with the 2023 Birthday Bourbon, a limited edition release that pays homage to George Garvin Brown's pioneering spirit. Crafted by the esteemed Brown-Forman Distillery, this straight bourbon boasts a rich mashbill of 72% Corn, 18% Rye, and 10% Malted Barley.