1966 - EUSAC loosely formed by keen recreational divers Charlie Fay, Ian Bruce, Ian Milligan, and David Green.
1968 - EUSAC recognised as a sports club by Edinburgh University Sports Union.
1969 - Club gets its first inflatable boat mounts its first expedition to Scapa Flow and joins the BSAC as branch 407.
1970 - 3 month scientific diving expedition to Jamaica performed with the help of BSAC branch 51.
1972 - EUSAC is a founding branch of the Scottish Federation of Sub-Aqua Clubs. Half of the first class divers in BSAC are members.
1973 - Postgraduate members mount an expedition to Barbados to study reef forming corals.
1974 - EUSAC divers spend two months underwater for the second season of archaeological work on HMS Dartmouth.
1975 - EUSAC divers survey crannog remains in Loch Tay.
1975 - EUSAC divers find the wreck of Chadwick.
1978 - The club gets involved in 'The Gitana Project' filmed for the BBC's Horizon programme but never aired.
1979 - EUSAC divers find the wreck of Helena Faulbaums, after many efforts. Robert Sproul-Cran, Derek Borthwick, Geoff Hide and Malcolm Gauld were the first divers to dive it.
1979 - EUSAC asked to organise initial survey of HMS Royal Oak as part of a joint EUSAC/Royal Navy Film Expedition.
1980 - An underwater shot from the 'The Gitana Project' project makes the cover of the Scotsman's colour section.
1980 - EUSAC divers aided excavations of the Spanish Armada wreck, Trinidad Valencera, off of the West Coast of Ireland.
1984 - EUSAC has trained 500 divers over its 18 years.
1986 - EUSAC wins its first Heinke award
1991 - EUSAC wins the Heinke award for the second time becoming the only university branch to do so.
1997 - Club invited to clean the penguin pool for Edinburgh Zoo
1998 - EUSAC members join Coral Quay expedition to study coral reefs off the Philippine Islands.
1999 - Club looses significant portion of experienced members because of internal politics.
2002 - Branch secures a university grant for £1650 for equipment to introduce nitrox diving to promote safer diving within the club.
2003 - EUSAC members join EUCARE expedition to chart corals off Madagascar.
2004 - Max Ruffert of EUSAC successfully applies for BEGS money for a cross branch exploratory diving expedition to the Garvellachs
2004 - EUSAC members join Seasearch expedition to Brora in the north east of Scotland.
2005 - Max Ruffert of EUSAC again successful in securing BEGS funding for another exploratory trip.
2007 - Number of EUSAC divers take part in an Expedition to Oman, (Nemo project).
2008 - Paul Bullen of EUSAC runs an exploratory trip to Cape Wrath, sponsored by BEGS.
2008 - Club sets up a 10 year Equipment Development and Maintenance Fund, in cooperation with SU
2009 - Clubs lockup has been refurbished: new roof, electrics and shelving
2009 - EUSAC wins Heinke Trophy (2008) for the third time in its history
2009 - Paul Bullen of EUSAC runs an exploratory trip to Ardnamurchan, sponsored by BEGS
2010 - Paul Bullen of EUSAC runs an exploratory trip to Dunnet Head, sponsored by BEGS
2012 - Club bought a new outboard engine based on the reviewed 10 year equipment plan
2013 - Club awarded certificate in recognition of training the 3rd highest number of Practical Instructors in a BSAC branch
2014 - Club awarded €1000 grant from Version 1, with the help of alumni member Paul Bullen, to purchase 2 new emergency O2 kits
2015 - Catherine Daniel of EUSAC organises an Instructor Foundation Course in Edinburgh, with 50% of attendees being EUSAC members
2016 - Carrie Pickering of EUSAC awarded University Blues. Only the second EUSACer in 10 years to be awarded the medal.
2017 - Cara Nicholson of EUSAC organises a Boat Handling Skills Development Course, ran by Max Ruffert of EUSAC, adding eight new qualified boat handlers to the club.
2018 - Cara Nicholson and Paul Miller oversee the purchase of a new EUSAC boat. Jura, a 5.8m Humber Destroyer with 115hp engine, was added to the EUSAC fleet in June, and members voted for a name in keeping with the club's whisky tradition.
2018 - EUSAC's 50th Anniversary Year! A whole year of events to celebrate our big birthday, culminating in an extra special Burn's Night in January 2019 attended by generations of EUSACers!
2019 - Paul Miller of EUSAC runs an expedition to Malta, taking 25 EUSAC members for ~230 dives, the largest trip in recent history.