Preparedness Notes for Monday — April 21, 2025
April 21st, 1820: Danish scientist Hans Christian Ørsted was the first to identify electromagnetism, when he observed compass needle movement. — On April 21st, 1828, Noah Webster published the first American dictionary. — And April 21st is Aggie Muster, for all Texas A&M graduates. — Today’s feature piece is a review written by SurvivalBlog Field Gear Editor Tom Christianson.