2004 (MMIV) was a leap year starting on Thursday of the Gregorian calendar, the 2004th year of the Common Era (CE) and Anno Domini (AD) designations, the 4th year of the 3rd millennium, the 4th year of the 21st century, and the 5th year of the 2000s decade. 2004 was designated as the International Year of Rice (by the United Nations) and the International Year to Commemorate the Struggle Against Slavery and its Abolition (by UNESCO).

2003 (MMIII) was a common year starting on Wednesday of the Gregorian calendar, the 2003rd year of the Common Era (CE) and Anno Domini (AD) designations, the 3rd year of the 3rd millennium, the 3rd year of the 21st century, and the 4th year of the 2000s decade. 2003 was designated the International Year of Fresh water.

2007 (MMVII) was a common year starting on Monday of the Gregorian calendar, the 2007th year of the Common Era (CE) and Anno Domini (AD) designations, the 7th year of the 3rd millennium, the 7th year of the 21st century, and the 8th year of the 2000s decade. 2007 was designated as the International Heliophysical Year, International Polar Year, and the International Year of Languages.

2016 (MMXVI) was a leap year starting on Friday of the Gregorian calendar, the 2016th year of the Common Era (CE) and Anno Domini (AD) designations, the 16th year of the 3rd millennium, the 16th year of the 21st century, and the 7th year of the 2010s decade. 2016 was designated as:

2008 (MMVIII) was a leap year starting on Tuesday of the Gregorian calendar, the 2008th year of the Common Era (CE) and Anno Domini (AD) designations, the 8th year of the 3rd millennium, the 8th year of the 21st century, and the 9th year of the 2000s decade. 2008 was designated as: * International Year of Languages * International Year of Planet Earth * International Year of Sanitation * International Year of the Potato

2014 (MMXIV) was a common year starting on Wednesday of the Gregorian calendar, the 2014th year of the Common Era (CE) and Anno Domini (AD) designations, the 14th year of the 3rd millennium, the 14th year of the 21st century, and the 5th year of the 2010s decade. 2014 was designated as: * International Year of Crystallography * International Year of Family Farming * International Year of Small Island Developing States * International Year of Solidarity with the Palestinian People

The March Days, March Events (Azerbaijani: Mart hadisələri), or March Genocide (Azerbaijani: Mart

("Summer 2015" redirects here. For the song, see Summer 2015 (song).)(This article is about the year 2015. For the American video game development company, see 2015 Games, LLC..) 2015 (MMXV) was a common year starting on Thursday of the Gregorian calendar, the 2015th year of the Common Era (CE) and Anno Domini (AD) designations, the 15th year of the 3rd millennium, the 15th year of the 21st century, and the 6th year of the 2010s decade. 2015 was designated as: * International Year of Light * International Year of Soils

Pride parades (also known as pride marches, pride events, and pride festivals) are outdoor events

Mahmoud Ahmadinejad, Iran did not observe daylight saving time (called Iran Daylight Time or IRDT). It was reintroduced from 21 March 2008.