The United Nations declared 1992 as the International Year of –

The correct answer is: A. International Space Year

The United Nations declared 1992 as the International Space Year (ISY) to commemorate the 500th anniversary of Christopher Columbus’s first voyage to the Americas and the 30th anniversary of the first human spaceflight. The ISY was a year-long celebration of space exploration and its benefits to humanity. It included a variety of events and activities, such as conferences, workshops, and exhibits. The ISY also promoted the use of space technology for sustainable development.

The other options are incorrect because:

• Option B, International Heliophysical Year, was a year-long celebration of the Sun and its relationship to the Earth. It was held in 1975.
• Option C, Year of the Rights of Internally Displaced Persons in Colombia, was a year-long campaign to raise awareness of the plight of internally displaced persons in Colombia. It was held in 2003.
• Option D, International Literacy Year, was a year-long campaign to promote literacy worldwide. It was held in 1990.