1 January is observed as –

Global Family Day
World Red Cross Day
World Telecommunication day
Commonwealth day

The correct answer is: A. Global Family Day

Global Family Day is an annual observance held on January 1 to promote awareness of the importance of families and to celebrate the diversity of family structures around the world. The day was first proposed by the United Nations in 1993 and has been observed by countries around the world ever since.

World Red Cross Day is observed on May 8 to commemorate the birthday of Henry Dunant, the founder of the International Committee of the Red Cross (ICRC). The ICRC is an independent humanitarian organization that provides assistance to people affected by armed conflict and other violence.

World Telecommunication Day is observed on May 17 to celebrate the importance of telecommunications and to promote the development of information and communication technologies (ICTs). The day was first proposed by the International Telecommunication Union (ITU) in 1963 and has been observed by countries around the world ever since.

Commonwealth Day is observed on the second Monday in March to celebrate the Commonwealth of Nations, a voluntary association of 54 independent countries that were formerly part of the British Empire. The day was first observed in 1971 and has been celebrated by countries around the Commonwealth ever since.