Big Week 2018 - Bilbao from August 18 to August 26. Past days. Saturday, August 18 Sunday, August 19 Monday, August 20 Tuesday, August 21 Wednesday, August 22 Thursday, August 23 Friday, August 24 Saturday, August 25 Sunday, August 26 You might be also interested in: Fiesta of San Bartolome 2018 - San Bartolome - 12 Kms. Fiesta of Montellano 2018 - Montellano - 26 Kms. Flower Battle 2018 - Laredo (Cantabria) - 60 Kms. Fiesta of Herran 2018 - Herran (Burgos) - 62 Kms. Fiesta of Arriola 2018 - Arriola (Alava) - 74 Kms.