1) Poste's Anniversary Party
700 F St. NW
When: Saturday at 4 p.m.
What: Poste is throwing a big patio bash for its 13th birthday Saturday with a DJ, frozen macarons, $4 truffle frites, $2 bao buns, drink deals and more.
2) Cashion's 70s Cocktail Party
Where: Cashion's Eat Place
1819 Columbia Rd. Nw
When: Sunday at 10 p.m.
What: Cashion's bartenders will create throwback drinks from the 70s, with snacks to match.
3) Port City Pub Crawl
Where: Old Town Alexandria
When: Starting 2 p.m.
What: This annual pub crawl is low key, with no admission or registration needed. More info here.
4) Mad Fox Anniversary Party
Where: Mad Fox Brewing Company
444 W. Broad St. Falls Church, Va
When: Saturday at 11 a.m.
What: There will be live music, special tappings and more to celebrate the Falls Church brewery's fifth birthday. Info here.
5) Double Dead Rise Release
Where: Flying Dog Brewery, Frederick, Md.
When: Friday night at 6 p.m.
What: Celebrate the launch of the brewery's new Old Bay-flavored, spicy release. More info here.
ALSO THIS WEEKEND: It's the grand finale for Mess Hall's Launch Pad competition...Maison Dixon pop-up returns to Capitol Lounge Saturday...Truckeroo is Friday...Acadiana is hosting a Fish Fry Saturday...David Guas hosts a barbecue class at Hill Center...It's Christmas in July at Black Squirrel Friday...All American Beer Fest is Saturday...Caribbean Carnival hits D.C. (and Baltimore) this weekend...Del Campo's Rooftop Tiki Party is Friday (sold out).