Spanish immigration to Brazil
Spanish emigration peaked in the late 19th and early 20th centuries, and it was concentrated to Argentina, Uruguay and Cuba. Between 1882 and 1930, 3,297,312 Spaniards emigrated, of whom 1,594,622 went to Argentina and 1,118,960 went to Cuba.
Source: Wikipedia — Spanish immigration to Brazil (CC BY-SA 4.0)