1689 – He was born on the 22nd day of October this year in Lisbon.
1703 – He succeeded at quite a young age, only 17. One of his first kingly acts was to intimate his adherence to the Grand Alliance.
1713 – The series of unsuccessful campaigns that ensued, ultimately terminated in a favorable peace with France this year and with Spain in 1715
1708 – He married his cousin Mary Anne of Austria , daughter of Leopold I, thus strengthening the alliance with Austria.
1748 – His negotiations with the Vatican gained the recognition of Portugal as a lawful sovereign country by Pope Benedict XIV and the title "Most Faithful King" bestowed upon him and his successors by a bull.
1750 – He died in Lisbon, and he was succeeded by his son named Prince Joseph.