With all of the craziness of the past couple months, let us not forget that this coming Monday is Memorial Day.

Almost all that this holiday conjures up in the mind—from patriotic gatherings and Memorial Day sales at the store to the unofficial start of the summer season with its crowded beaches and family barbecues—won’t be found this year, and for good reason.

All the normal outward manifestations of Memorial Day will be put on hold for 2020 as the nation grapples with a global pandemic. So, then, what remains?

Most importantly, there are the roughly million men and women who fought and died for this nation. Their headstones can be found in Arlington National Cemetery, in Department of Veterans Affairs’ cemeteries scattered across this country, in state and private cemeteries, in churchyards and family gravesites. They can be found in the Ardennes American Cemetery in Belgium. At Epinal American Cemetery in France. In North Africa. In Manila. In Sicily. In Mexico City. Thei...