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! Organised by Erin McKee, Charis Walton and Cara Nicholson.
2019 - Paul Miller of EUSAC runs an expedition to Malta, taking 25 EUSAC members for ~230 dives, the largest trip in EUSAC history.
2019 - EUSAC buys two portable Bauer compressors with the help of a £2500 contibution from the university's Student Experience Grant.
2019 - Cara Nicholson of EUSAC is awarded University Blues in recognition of her long standing service to the club and achievements as a diver.
2019 - Paul Miller of EUSAC is shortlisted for the Sports Union's Instructor of the year in recognition of his hard work and efforts to develop the club and its members.
2020 - EUSAC faced the Covid-19 pandemic and stood strong. When the virus levels were at their lowest, EUSAC practised socially distant diving within the government and Sports Union's travel restrictions - almost 200 individual dives in the 12 months following March 2020! Snorkelling also proved highly popular this year, supported by the introduction of the snorkelling-only membership.
2021 - Another addition to the EUSAC fleet! Balvenie, a 5.0m Humber SeaPro, is purchased.