TIL that Embalming wasn't commonly used in US funerals until the US Civil War, when morticians followed after both armies selling their services for embalming and shipping, and several prominent Civil War figures were embalmed and displayed, including Abraham Lincoln.

https://www.smithsonianmag.com/science-nature/how-lincolns-embrace-embalming-birthed-american-funeral-industry-180967038/

https://www.reddit.com/r/todayilearned/comments/1529370/til_that_embalming_wasnt_commonly_used_in_us/