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| 1959, Feb. 1 |
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| After the elections, Pierre Werner became premier. | 1 |
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| 1964, Nov. 12 |
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| ABDICATION OF GRAND DUCHESS CHARLOTTE in favor of her son, who ascended the throne as Grand Duke Jean. | 2 |
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| 1964–68, Oct |
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| Pierre Werner continued as prime minister, supported by a coalition of the Christian and Socialist parties. | 3 |
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| 1968 |
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| A rapid increase in the number of children attending school, known as the “Explosion Scolaire,” sparked educational reforms. | 4 |
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| 1968, Dec. 15 |
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| Following the elections, Werner retained the premiership, but with a coalition of Christian and Democratic parties. | 5 |
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| 1972, Jan. 13 |
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| The Chamber of Deputies approved a constitutional amendment to reduce the voting age from 21 to 18 and the qualifying age for election from 25 to 21. | 6 |
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| 1974, May–June |
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| The Christian Social Party, which had been in government since 1919, lost power. A Liberal-Socialist coalition government was formed under Gaston Thorn, chairman of the Democratic Party. Thorn's new government proposed the liberalization of abortion and divorce law, increased participation of workers in management, and the indexing of incomes to the cost of living. | 7 |
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| 1975 |
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| A slump in steelmaking led the government to encourage electronics and other industries. | 8 |
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| 1979, May 17 |
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| The Chamber of Deputies approved the abolition of the death penalty. | 9 |
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| 1982–83 |
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| The government announced a series of plans for the modernization and restructuring of the Arbed Steel Concern (Luxembourg operation). The plans included spending $500 million (U.S.) on redevelopment up to 1987, an increase in the state holding of the concern from 2 percent to 20 percent, and the reduction of the workforce to 10,500 while cutting salaries by 10 percent over a period of two years. | 10 |
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| 1992, Dec |
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| Luxembourg was admitted as the twenty-second member of the Development Assistance Committee of the Organization for Economic Cooperation and Development. | 11 |
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| 1999, Jan. 1 |
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| Along with ten other European nations, Luxembourg participated in the implementation of the euro. Also involved were Ireland, Austria, Italy, Spain, Belgium, Portugal, Finland, Germany, the Netherlands, and France. | 12 |
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| June 15 |
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| Grand Duke Jean asked Premier Jean-Claude Juncker to create a new government following the poor showing by the Socialist Party in general elections two days earlier. The Democratic Party was expected to join the Social Christians in a new coalition government. | 13 |
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