 1536 — Don Pedro de Mendoza founds the city of Buenos Aires for the first time.1580 — Don Juan de Garay, from Asunción of Paraguay, founds Buenos Aires for the second time to reaffirm the rights of the Spanish Crown against the Lusitanians' expansionist intentions.One of the measures used in implementing this territorial defense, on October 24 of this year, is the distribution of land and many small farms among 25 neighbors who had accompanied Garay in the final founding of Buenos Aires.