Who was the last Apostle to be chosen?

Who was the last Apostle to be chosen?

The last Apostle to be chosen to be of Jesus’ 12 Apostles was Saint Matthias. He was chosen after Jesus’ Ascension. Though he was the only Apostle not chosen by Jesus personally, he was chosen by the Holy Spirit through the other 11 Apostles. 

What is Saint Matthias known for? 

Saint Matthias is most commonly known for being the Apostle that was chosen to replace Judas Iscariot after he died.