Hearts defeated Braga 3-1 at Tynecastle and Rangers beat Maritimo 1-0 at Ibrox in first round ties of the 2004/05 UEFA Cup competition to extend the Scots' undefeated 'home' record against clubs from Portugal to 21 years.
The last upset was the one of Aberdeen at Pittodrie against FC Porto 0-1 in the semi-finals first leg of the Cup Winners' Cup in 1983-84.
The Scottish data against Portuguese sides:
2004-05 (UEFA Cup first round): Rangers-Maritimo - 1-0.
2004-05 (UEFA Cup first round): Hearts-Braga - 3-1.
2002-03 (UEFA Cup semi-final): Celtic-Boavista - 1-1.
2001-02 (Champions League group match): Celtic-Porto - 1-0.
1998-99 (UEFA Cup first round): Celtic-Vitoria Guimaraes - 2-1.
1993-94 (UEFA Cup second round): Celtic-S. Lisbon - 1-0.
1986-87 (UEFA Cup second round): Rangers-Boavista - 2-1.
1983-84 (UEFA Cup second round): Celtic-S. Lisbon - 5-0.
Other items in the English game that have set new records or feats last season:
To capture the services of forward Emile Heskey from Liverpool, Birmingham pay a club record fee of £6.25m.
Other club record fees registered in the close season or at the start include:
Martin Albrechtsen, Danish midfielder for £2.7m from FC Copenhagen to WBA.
Didier Drogba, Ivory Coast forward for £24.5m from Olympique Marseille to Chelsea.
Rafael Benitez, the new coach at Liverpool, is the first Spaniard to manage in the Premiership.
In the 4-1 win over Everton at Goodison Park, Arsenal's Spanish midfielder Francesc Fabregas becomes the youngest club player to star in the Premiership at the age of 17 years and 103 days.
For the first time in nine seasons, Manchester United suffer a defeat in their opening fixture, going down 0-1 at Chelsea.
WBA beat the jinx that had seen them losing their last five opening games, drawing 1-1 at Blackburn Rovers.
Striker Andy Cole, of Fulham, brings the total of his career goals to 200 with his two nettings in the 2-0 home win over Bolton.
Shaun Wright-Phillips' netting for England on his debut in a 3-0 victory over Ukraine in a friendly at Newcastle, is the first for a Manchester City player since Trevor Francis's goal in a trial match in Melbourne against Australia (1-1). The match was played on June 19, 1983.
Following their aggregate 2-1 win over Liebherr GAK in the third qualifying round of the Champions League, Liverpool preserve their perfect record against clubs from Austria in Euro competitions.
In their first ever connection with a club from Romania in Europe, Manchester United emerge with flying colours with a double win and an aggregate of 5-1 against Dinamo Bucharest in the third qualifying round of the Champions League.
After 11 failed attempts an Icelandic side manage to overcome Scottish opposition as FH Hafnarfjordur eliminate Dunfermline 4-3 on aggregate in the second qualifying round of the UEFA Cup.
Arsenal eclipse Forest
Nottingham Forest's record of 42 league matches without defeat, set in 1976-77, is overtaken by Arsenal after their 3-0 victory over Blackburn at Highbury.
After their 2-1 triumph over Southampton at Stamford Bridge, Chelsea attain maximum points from their first four league matches to register their best season opening ever in the top division.
In the 3-1 win at Blackpool, Luton claim all the points from their first five outings to make the best season start in their history.
The Hatters' forward Steve Howard also sets a new club record of scoring in his ninth straight match.
Celtic establish a record seventh successive win over Rangers with a 1-0 home victory in the Premier League.
Rangers' last win against their rivals was achieved in March 2003 in the League Cup final.
After their 2-2 draw at Bolton, Manchester United gather a total of six points from five outings for their worst season start since 1989-90.
WBA sign Cardiff's Rob Earnshaw for a club record fee of £3.62m.
At Lansdowne Road, in Ireland's 3-0 trimming of Cyprus, Robbie Keane nets one of the goals to equal Niall Quinn's all-time record of 21 international goals.
In the 2-2 draw away against Lyon in the Champions League, Man. United striker Ruud Van Nistelrooy scores a brace to set a new club record of 30 goals in Euro competitions.
Wolves' 1-0 victory at Brighton is the club's first away win in 17 months.
Two more English sides have their European baptism - Millwall (home to Ferencvaros 1-1) and Middlesbrough (home to Banik Ostrava 3-0).
The 1-3 home upset to Barcelona is Celtic's first in front of their own fans against Spanish opposition since they lost to Atletico Madrid 1-2 in the first round of the Cup Winners' Cup in 1985-86.
In defeating PSG 3-0, Chelsea record the most emphatic win by an English club on French territory since Leeds defeated Monaco by the same scoreline in the first round of the UEFA Cup in 1995-96.
The outcome is the best for an English club on their travels against French sides in the European Cup.
600 for Giggs
In the match Manchester United-Liverpool (2-1), Ryan Giggs chalks up his 600th appearance for the Red Devils.
He became only the club's third player to reach the 600-match milestone after Bobby Charlton (759) and Bill Foulkes (688).
Frank Lampard claims a run of 114 consecutive league appearances (from October 2001), a record for an outfield player. He surpassed team-mate Wayne Bridge's 113 for his former club Southampton.
Kris Boyd's five goals for Kilmarnock in the 5-2 home win over Dundee United equals the SPL record for individual scoring in a match. The feat was previously achieved by Kenny Miller, of Rangers, in the home win over St Mirren in November 2000.
The 6-2 hammering of Fenerbahce at Old Trafford is Manchester United's ninth time they won by six goals or more on the continent.
The last occasion was the 6-2 drubbing of Brondby in a group match of the Champions League in 1998-99.
Robbie Keane becomes the new leading marksman for Ireland as his brace against the Faroe Islands at Lansdowne Road takes his total to 23 international goals.
In their 100th match in European competitions, Chelsea gain a 2-0 victory over CSKA Moscow at Stamford Bridge for a statistic record of: Played 100, Won 56, Drawn 24, Lost 20, Goals For 179, Against 87.
At Old Trafford Manchester United halt Arsenal's undefeated run of 49 successive Premiership matches with a 2-0 defeat.
Alex Ferguson, 62, celebrates his 1,000th match in charge of Manchester United with a 2-1 home win over Lyon in the Champions League.
Glasgow-born Ferguson has been at United's helm for 18 years. He has joined an elite company of 12 managers who have reached the 1,000-match milestone, including the late Brian Clough and Matt Busby.
For the first time ever, all four British representatives in the Champions League move into the knockout phase of the tournament.
At Carrow Road, Tottenham defeat Norwich 2-0 to make it five league wins on the trot for the first time since 1992-93.
Henry mark
At Highbury, Thierry Henry hits one of the goals in Arsenal's 2-0 win over Fulham. He equals Ian Wright's club record of 128 league goals.
Following the 1-0 win at Anfield and the first round result by the same scoreline at Stamford Bridge, Chelsea inflict their first double on Liverpool since 1919.
Striker James Beattie is captured by Everton from Southampton for a club record fee of £6m.
For the acquisition of Crewe attacker Dean Ashton, Norwich pay a club record fee of £3m.
Following the 2-0 victory over Tottenham Hotspur at White Hart Lane, Chelsea become the first Premiership club to win six straight matches without conceding a goal.
After the 3-0 victory over Portsmouth at Stamford Bridge, Chelsea equal a club record of seven consecutive victories set in 1922.
Derby's 2-1 win over West Ham is the Rams' first at Upton Park since 1976.
At Vicarage Road, Liverpool defeat Watford 1-0 (2-0 aggregate) to reach a record 10th League Cup final.