The invasion of the JewsPortugal in the time of the First Republic (1910 - 1928) was not exempt from antisemitism. Mario Saa and his book “The Invasion of the Jews” spewed hate. Saa was a Portuguese journalist and writer known for his anti-Semitic views and writings. His work reflected prejudiced stereotypes and conspiracy theories about Jewish people, which contributed to perpetuating anti-Semitic attitudes in Portugal.His views and writings are now widely condemned for their hatefulness and propagation of harmful myths. Saa's work contributed to the ideological climate that fostered prejudice and discrimination against Jewish communities in Portugal and beyond.