Home / Guided Primary Source Analyses / Featured Source: Independence Day at Last Guided Primary Source Analyses Featured Source: Independence Day at Last July 4, 2012March 15, 2020 Glackens, L.M. “Independence day at last.” Cover Illus. in: Puck 1910 June 29. Summary: Illustration shows a young boy and a large firecracker locked into stocks labeled “Safe and Sane 4th”, with many dogs and cats dancing around them.