The War to End All Wars didn’t. The very idea seems quaint, doesn’t it? But World War I was a profound turning point in world history; some consider its lofty global ideals, and its industrial approach to killing, the real beginning of the “modern times” in all their hope and horror. The 100th anniversary of the war’s end is getting lots of attention and reflection this year. Here in Vancouver, the occasion dovetails with Memorial Day weekend and “a hotbed of historical happenings,” as the Clark County Genealogical Society notes in a statement about its spring seminar. That takes place from 8 a.m. to 3 p.m. May 26 at the historic Red Cross Building near the Fort Vancouver National Historic Site; the star of the show is internationally renowned researcher David Allen Lambert, chief genealogist for the New England Historical Genealogical Society. Lambert’s three talks are aimed at serious history buffs and genealogical detectives: “World War I Military Records,” “Settlers and Their Treasures in the Great Migration West,” and “Probate and Deed Records Research.” The price of attendance is $85 for nonmembers; a box lunch costs $15 more. But, Lambert will also be on hand at 7 p.m. May 25 during a gala reception at the Fort Artillery Barracks, 600 E. Hathaway Road, Vancouver; so will Olympia resident Roger Newman, a descendant of Hudson’s Bay Company laborer John McPhail, who will share his ancestor’s tales and artifacts. Admission is $10 at the door for people not attending the weekend seminar.Stitches and songsIf you love local history but not forking over lots of bucks, there’s still plenty to do this weekend. The Fort Vancouver Tapestry is on display from 10 a.m. to 3 p.m. though May 28 at the Clark County Genealogical Society, 717 Grand Blvd., Vancouver. It’s a fascinating folk-historical survey of 70 local scenes and stories as portrayed across 108 feet of linen, all pieced together by 57 volunteer stitchers from 1999 to 2005. Because it’s so huge, the tapestry has never found a permanent home, making public displays special occasions. While you’re there, check out the library and resources of the Genealogical Society, which is always eager for new members.