1957 – He was born in Montreal, Quebec, on the 22nd of January.
– He started his junior career with Quebec Major Junior Hockey League at the age of 16 with the now-defunct Laval Nationals.
1977 – In the NHL Amateur Draft, he was passed over by twelve teams before the New York Islanders made Bossy their first round draft selection at 15th overall.
– He made good on his promise, scoring a then-record 53 goals as a rookie in the season. Bossy won the Calder Trophy for rookie of the year and was named a Second Team All-Star.
1980-1981 – He scored 50 goals in the first 50 games of the season, the first to do so since the great Maurice Richard thirty-six years earlier. Bossy succeeded in reaching this mark despite publicly putting media pressure on himself to do so.
1982 – Stanley Cup finals against the Vancouver Canucks, Bossy was up-ended by a check from Tiger Williams and tumbling in the air, parallel to the ice, when he managed to hook the puck with his stick and score.
1987 – He retired at the age of 30.
1990 – He worked as a television broadcaster for the Quebec Nordiques.
– He was a member of the CKOI’s morning crew.
1998 – He was ranked number 20 on The Hockey News’ list of the 100 Greatest Hockey Players.
2005 – Bossy made a cameo appearance on the fourth sequel to the French Canadian classic movie Les Boys, playing himself.
2006 – On the 13th of October, the Islanders held a news conference to announce that Bossy had rejoined the organization, working with the front office in sponsor and fan development.
2007 – Bossy was inducted into the Nassau County Sports Hall of Fame.