Veterans’ organization Friends of Rocky Versace is organizing a ceremony in Del Ray to commemorate the 68 people from Alexandria who lost their lives in the Vietnam War. The ceremony will include a wreath-laying and a sounding of “Taps.” Details: Monday, May 26, from 11 AM to 12:15 PM; free.

The National Memorial Day Concert on the West Lawn is a free D.C. tradition. Photo: Paul Morigi/Getty Images for Capital Concerts Inc. (from 2019) Welcome to your long Memorial Day weekend and the unofficial start of summer. Why it matters: It's all pools, boats, and crab feasts from here on out (or so we dream).