1956 – He was born on the 13th day of August this year in Rome.
1975 – He played for most of his career with Lazio, debuting in Serie A on October 5 of this year.
1978 – He soon reveals one of the most effective Italian strikers; he made his debut in the Italian national team in this year.
1980 – He was arrested for a betting scandal. He was banned from the Italian championship until 1982.
1985 – After Lazio had downed to the Serie B, he was ceded to Napoli for 5 billions lire.
1987 – Together with Careca and Diego Maradona, with whom he formed the "Ma-Gi-Ca" line; Giordano was instrumental to SSC Napoli’s first scudetto of this year. He later played for Bologna and Ascoli, before turning to the coaching career.
1993/94 – Giordano’s managing career before Messina was somewhat modest: he started coaching in this year with Monterotondo of Serie D, and obtained his first (and only) promotion in 1996
2004/05 – Sacked six times in his career, he remained unemployed after a good season with Reggiana in this year, ended in fifth place despite serious financial troubles in his club, which then led to its cancellation.
2006 – He was called to coach last-placed Serie B team Catanzaro, in a situation widely similar to Reggiana. Notably, Catanzaro, demoted to Serie C in that season, declared bankruptcy soon after. In the summer of the same year, he was announced as new coach of Messina, just relegated to Serie B. However, following the 2006 Serie A scandal, Messina was readmitted to Serie A, therefore allowing Giordano to coach a Serie A side.
2007 – In January of this year, following a serie of poor results including a home loss to last-placed Ascoli, Giordano was sacked, but then reappointed by Messina chairman Pietro Franza on April 2, following the firing of his previous replacement Alberto Cavasin. In his second tenure at Messina, Giordano lost all four matches before being sacked again on April 23, only 21 days after his reappointment. Bruno Bolchi eventually replaced him.