The object of this Spanish fiesta is to throw wine over each other and get as wet and messy as possible / Wikipedia

Wet and wild at the Wine Battle in Haro, La Rioja

La Batalla del VinoWhen: 23th–29th June 2018Where: Haro, SpainWebsite: batalladelvino.comThe Wine Battle (Batalla del Vino) is held in Haro at the end of June and is one of the most popular festivals in Spain, attracting thousands of visitors each year.
Spanish festivities don't come much more authentic than this recreation of Roman life in Galicia / Creative Commons

Arde Lucus, the Roman festival in Lugo

Arde Lucus When: 15th–17th June 2018 Where: Lugo, Spain Website: ardelucus.com Arde Lucus is one of the most traditional festivals in Spain that celebrates Lugo's Castro and Roman past. It is held in the middle of June, this year from 15th-17th, with the first festival being in 2001.
Sónar festival

Sónar, Barcelona's most famous music festival

Sónar music festival When: 14th–16th June 2018 Where: Barcelona, Spain Website: sonar.es One of the music festivals par excellence which is hosted each year in the city of Barcelona during the month of June is Sónar.
There is no end of variety when it comes to Spanish festivities in May 2018 / Gtres

The best events & festivals in Spain in May 2018

Spain is a country which does festivals in a big way. While the most famous Spanish fiestas may be tomato-throwing and the running of the bulls, there is a wealth of fascinating local festivities in each and every locality of the country, all year round.
The Horse Fair in Jerez de la Frontera is a treat for animal lovers and amateurs alike | Gtres

The Jerez Horse Fair, past and present

Every year in Jerez de la Frontera, there is an homage to horses at the Feria del Caballo, the Horse Fair. This event, which has a long history, commemorates this important animal, venerating them, appreciating them and caring for them.