Permit me a boomer moment and copy paste a list of some of Celtic FC's records. I'll bold the ones that aren't just Scottish specific.
1898: The first club ever to go a full Scottish league season unbeaten.
1909: Celtic become first champions of Britain after winning the British League Cup - the first of 3 officially sanctioned UK wide tournaments
1910: First club in football history to win 6 league titles in a row
1916: First and only team to win 2 League games in one day
1917: First team ever to go 62 domestic games unbeaten
1928: Jimmy McGrory becomes and the first and only ever player to score 8 goals in a single top flight game
1937: Jimmy McGrory scores his 539th career goal in his 534th game - a then world record and still a British record
1937: Highest ever attendance for any club match played in Europe (148,000 vs Aberdeen in Scottish Cup Final)
1938: Winners of the second officially sanctioned UK wide tournament in the Empire Exhibition Cup
1953: Winners of the third and last officially sanctioned UK wide tournament in the Coronation Cup - meaning Celtic have won all 3 tournaments between Scotland and England’s top clubs sanctioned by both FAs an remain the reigning British champions
1957: First Club to win a cup final 7-1 (also biggest official Old Firm derby win)
1967: First club in UK and First non Latin club to win the European Cup.
1967: First club ever to win the European Cup only using homegrown players
1967: First and only club from a country of less than 10 million to win Europe’s top competition
1967: Only club ever to win a quadruple of all domestic and European trophies
1967: World record of 196 goals scored in all competitions
1970: Biggest ever attendance for any match ever in European competition (135,000 vs Leeds Utd in European Cup semi-final )
1970: First and only Scottish club to reach two European Cup finals
1974: First club to win 9 league titles in a row
1981: Bobby Lennox won his 25th major trophy - a Scottish football record
1988: A domestic double in their centenary year
1995: First club in the UK to have a 60,000 capacity all seater stadium
2001: First club in UK to win over 100 points in a league season
2003: First and only Scottish club to play in the final of Europe’s top two competitions by reaching the UEFA Cup final
2006: First and only Scottish side to qualify from a Champions League group twice
2012: First and only Scottish side to qualify from a Champions League group three times
2017: First club in UK to go a full domestic season (including cups) unbeaten
2017: First club in the UK to go 69 domestic games unbeaten
2018: First club ever to win a double treble in Scotland in consecutive seasons
2019: First club to ever win 26 consecutive cup ties (and counting) no draws and no replays needed
2019: First club to win nine consecutive domestic trophies
2019: First club ever to win a treble treble in Scotland
2020: First club to win nine league titles in a row twice
2020: First professional club ever to win a quadruple treble
2020: First club ever to win 12 consecutive domestic trophies
2023: First club ever to win 8 domestic trebles
2024: First club ever to win 12 out of 13 Scottish titles
2024: First club ever to finish in the top 2 of their domestic league for 30 consecutive seasons
2024: First club to win both the Scottish Premiership and SWPL in the same season
2024: First club in Europe to win 63 domestic cups
2024: First club in Europe to win 13 league and cup doubles
2024: First team to win 42 Scottish Cups
2024: A joint European record of 118 major honours secured