VIENNA: Danube Island Festival, outdoors, free entry, June 22-24.
KLAGENFURT: Ironman competition, Europe’s largest triathlon, July 1.
SALZBURG: SommerSzene, festival of dance, performance and film, July 5-15.
LINZ: Pflasterspektakel, international street art festival, July 19-21.
REUTTE/TIROL: Ehrenberg Ritterspiele, knight’s tournament and middle ages market, July 27-29.
MONS: Bonfires on St. John’s Day, Place Nervienne, June 29-30.
BRUSSELS: Colour Café, Caribbean, African and Latin American concerts, Tour & Taxis, June 29-July 1.
NAMUR: Verdur Rock Festival, free contemporary music festival, June 30.
ANTWERP: Beer Passion weekend, 200 beers and 40 breweries, June 30-July 1.
LIÈGE: Tour de France begins, stage 1 Liège-Seraing, July 1 and Visé-Tournai, July 2.
BRUSSELS: Ommegang Pageant, July 3 and 5.
BRUGGE: Triple Days, festival on market square, July 19-21.
PRAGUE: United Islands, international music festival, through June 23.
CESKY KRUMLOV: Medieval Festival of the Five-Petalled Rose, June 22-24.
KARLOVY VARY: International Film Festival, June 29-July 7.
PRAGUE: Bohemia Jazz Fest, July 10-12.
FREDERIKSHAVN: Days of Tordenskold, the Year is 1717, June 22-24.
COUNTRYWIDE: Sankt Hans Aften, bonfires along the coast, June 23.
HVIDE SANDE: North Sea Beach Marathon, June 24.
AALBORG: Denmark celebrates U.S. Independence Day, Rebild National Park, July 4.
COPENHAGEN: Jazz Festival, July 6-15.
JELS: Viking chronicles, pageantry and sword fights on an outdoor stage, July 6-22.
COUNTRYWIDE: Olympic Torch Relay, through July 27, passes through Cambridge area July 7-8.
LIVERPOOL: Africa Oyé, African music and culture, Sefton Park, June 23-24.
LONDON: Taste of London, city’s best restaurants set up in Regent’s Park, tickets required, through June 24.
STRATFORD-UPON-AVON: River Festival, June 30-July 1.
OXFORD: Alice in Wonderland 150th anniversary celebrations, July 7.
WILTSHIRE: Fire Garden at Stonehenge, fire-based theatrics, July 10-12.
MANCHESTER: Manchester Mega Mela, festival of South Asian culture, July 14-15.
VERSAILLES: Royal fireworks on the Grand Canal, June 22, 28-29 and July 5-6.
BORDEAUX: Bordeaux Wine Festival, June 28-July 1.
MULHOUSE: Automobile Festival, June 29-July 1.
PARIS: Cinema Festival, screenings throughout city, June 29-July 10.
COLMAR: International Festival, classical music, July 3-14.
ST. MALO: Tall Ships in port, July 5-8.
PARIS: Tropical carnival, parade sets off from Place de la Nation at 2 p.m., July 7.
NICE: Jazz Festival, July 8-12.
FRANKFURT: Opera Place Fest, through June 29.
FRANKFURT-HÖCHST: Castle festival, through July 9.
KASSEL: (d)OCUMENTA(13), contemporary art exhibition, through Sept. 16.
HAMBURG: Harley Days, biker fest, June 22-24.
BAD DÜRKHEIM: Wine fest, Römerkelter, June 22-25.
IDAR-OBERSTEIN: Spiessbratenfest, Festplatz Vollmersbach, June 22-26.
FRANKFURT: Parade of Cultures, Innenstadt, June 23.
GRAINAU: Sommersonnenwende, hills alight with bonfires, June 23.
MUNICH: Tollwood music festival, Olympiapark, June 29-July 24.
FREIBURG: Wine fest, Münsterplatz, July 5-10.
STUTTGART: Jazz Open, July 5-14.
BADEN-BADEN: Summer Nights, open air party at the Kurhaus, July 6-8.
BAYREUTH: City street festival, live music and a “beer street,” July 6-8.
COLOGNE: Summer Jam Festival, Reggae Festival at the Fühlinger See, July 6-8.
GARMISCH-PARTENKIRCHEN: BMW motorcycle days, July 6-8.
KAISERSLAUTERN: Old Town Fest, July 6-8.
ULM: International Danube Festival, crafts and culinary treats along the Danube, July 6-15.
WÜRZBURG: Kiliani Volksfest, July 6-22.
HAMBURG: Schlagermove, 1970s style festival; highlight is a truck parade through city at 3 p.m. July 7.
RÜDESHEIM-BINGEN: Rhine in Flames, July 7.
SCHWEINFURT: Honky Tonk Festival, July 7.
MUNICH: Klassik am Odeonsplatz, classical open air concerts, tickets required, July 7-8.
HANAU: Love Family Park, fest of live music and DJs, Mainwiesen, tickets required, July 8.
BUDAPEST: Summer on the chain bridge, music and entertainment, June 24-Aug. 12.
CORK: Midsummer Festival, through July 1.
GALWAY: Volvo Ocean Race, June 30-July 8.
GALWAY: Arts Festival, July 16-19.
DUBLIN: Street Performance World Championships, July 19-22.
TRENTO: Feste Vigiliane, through June 26; Palio dell’Oca, raft race in pursuit of a paper goose at 7 p.m. June 24.
ROME: Fantafestival, showings of science fiction, horror and thrillers, through July 1.
GENOA: St. John celebrations, including bonfire and parade, June 23-24.
COMO: St. John celebrations on Isola Comacina, historical re-enactment of island’s burning, June 23-24.
PISA: Battle on the Bridge, with parade and historical re-enactments, June 24.
FLORENCE: Calcio Storico, historical football match in Piazza Santa Croce, June 24.
SPOLETO: Festival of Two Worlds, opera, dance, music and theater, June 29-July 15.
ISCHIA: Film Festival, June 30-July 7.
SIENA: Palio, July 2 & Aug. 16.
PERUGIA: Umbria Jazz, July 6-15.
FLORENCE: Mercantia, international street performer festival, July 11-15.
CITY: Eve of National Day, with torchlight tattoo at 10 p.m.; fireworks in the Petrusse Valley; concerts and DJs, June 22. Official ceremonies and military parade June 23.
CITY: MeYouZik music festival, highlights world music July 7; Festival Rock um Knuedler, July 8, both events free at Place Guillaume II.
CITY: Blues’n Jazz Rallye, Grund and Clausen, free entry, July 21.
SCHEVENINGEN: Sand Sculpture Festival, through June 27.
AMSTERDAM: International Theatre School Festival, showcases new talent, through June 28.
VENLO: Floriade 2012 World Horticultural Expo, through Oct. 7.
AMSTERDAM: Julidans, international modern dance festival, July 3-14.
AMSTERDAM: Roots Festival, July 5-8.
MAASTRICHT: Kadefeesten, local artists on the banks of the Meuse, July 27-28.
BELFAST: Land of Giants, arts and shows on the Titanic slipway, June 30.
LISBON: Festivities of Lisbon, music and dance in the old neighborhoods, through June 30.
MADEIRA: Atlantic Festival, through June 30.
LISBON: Tall ships in port, July 19-22.
GLASGOW: West End Festival, through June 24.
EDINBURGH: International Film Festival, through July 1.
EDINBURGH: CAMRA Scottish Real Ale Festival, Corn Exchange, June 28-30.
DUNDEE: Blues Bonanza, free music festival, June 29-July 1.
STONEHAVEN: Folk festival, July 5-8.
PERTH: Southern Fried Festival, July 27-29.
CÓRDOBA: International Sephardi Music Festival, through June 23.
MADRID: Suma Flamenca, flamenco festival, through June 30.
MARBELLA: Art Festival, through June 24.
ALICANTE: San Juan festivities celebrating summer’s arrival, through June 24.
GRANADA: International Festival of Music and Dance, June 22-July 8.
LA CORUNA: San Juan bonfires, June 23.
LANJARÓN: Fiesta del Agua y del Jamón, water fight at midnight, June 23.
MADRID: Festival of San Juan, Retiro area of city, bonfires to celebrate shortest night of the year, June 23.
SAN PEDRO MANRIQUE: Fire walk across live coals on Midsummer Night Eve, June 23.
HARO: Battle of the Wine, June 29.
BURGOS: International Folk Festival, July 12-16.
CADIZ: Tall ships in port, July 26-29.
GRUYÈRES: St. John’s Day Medieval and Baroque Festival, June 23-24.
MONTREUX: Jazz Festival, June 29-July 14.
MENDRISIO: Estival Jazz, open air, free concerts, June 29-30.
LUGANO: Estival Jazz, open air, free concerts, July 5-7.
BASEL: Tattoo, July 13-21.
GENEVA: Lake Parade, July 14.