1999 (MCMXCIX) was a common year starting on Friday (dominical letter C) of the Gregorian calendar, the 1999th year of the Common Era (CE) and Anno Domini (AD) designations, the 999th year of the 2nd millennium, the 99th year of the 20th century, and the tenth and last year of the 1990s decade.

1999 was designated as the International Year of Older Persons.

Events

January

February

March

April

May

June

July

August

September

October

Mars Climate Orbiter throughout tests

November

December

The Millennium Dome opened in London.

Births

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March

April

May

June

July

August

September

October

November

December

Deaths

January

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April

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July

August

September

October

November

December

Date unknown

Nobel Prizes

In fiction