Holidays:

1920 3 days' holiday (without pay) 

1931 6 days' holiday (with pay) 

1938 14 days' holiday 

1952 3 weeks' holiday 

1972 3 weeks' holiday + 3 days 

1973 4 weeks' holiday 

1979 5 weeks' holiday 

2003 5 weeks holiday + 5 days

Weekly working hours:

1920 48 hours 

1959 45 hours 

1966 44 hours 

1968 42 1/2 hours 

1970 41 3/4 hours 

1974 40 hours 

1986 39 hours 

1987 38 1/2 hours 

1988 38 hours 

1989 37 1/2 hours 

1990 37 hours

Political/union milestones:

1978 Danish Equal Treatment Act 

1976 Danish Equal Pay Act 

1975 Danish Working Environment Act 

1973 Denmark member of the EC/EU 

1973 Danish Industrial Court Act 

1971 Economic Democracy 

1968 Management and cooperation 

1966 Sick pay scheme 

1967 Red LO (Danish Federation of Trade Unions) report (Economic Democracy) 

1956 Old age pension 

1947 First cooperation committee agreement 

1938 Danish Holidays with Pay Act 

1924 First Social Democratic Government 

1920 8 hours' working day 

1912 Formation of the Central Organization of Danish Metal Workers, now the Central Organization of Industrial Employees in Denmark (CO-industri) 

1910 2nd International's Congress in Copenhagen 

1901 The victory of the principle of Cabinet responsibility and the consequent change of the Danish political system 

1899 September Agreement 

1878 Social Democratic Party 

1873 First collective agreement 

1870 Birth of the trade union 

1849 Political democracy (the Constitution)