Explanation

Election Day in the United States is the annual day for general elections of federal public officials.

It is set by the U.S. government as "the Tuesday next after the first Monday in November,"

which means it falls between November 2 and November 8.

Explanation

• World River Day is observed on fourth Sunday of September to raise awareness regarding water bodies and to promote their conservation.
• Theme 2022: The importance of Rivers to Biodiversity 
  
• Theme 2023: Recognising the importance of transboundary river cooperation
• Theme 2024: Waterways of Life

Explanation

World Patient Safety Day is observed annually on 17th of September 

Theme 2020: Health Workers Safety priority for patient safety

Theme 2022: Medication Safety

Theme 2023: Engaging patients for patient safety

Explanation

World Heritage Day is observed on 18 April. 

Theme 2022: Heritage and Climate

Theme 2023: Heritage Changes 

Explanation

International Day of Radiology is observed on November 8.

Theme 2020: Radiologists and radiographers supporting patients during COVID-19.

Theme 2021: Interventional Radiology – Active care for the patient

Theme 2022: Radiologists & Radiographers Supporting Patients

Explanation

Data Privacy Day is observed on 28 January.

Theme 2023: Think Privacy First 

Explanation

World Science Day for peace and Development is celebrated on November 10.

Theme 2022: Basic Sciences for Sustainable Development

Explanation

• World Hydrography Day is observed on June 21 every year to raise awareness about hydrography and the essential role that it plays in improved knowledge of the seas and oceans.
• Theme 2021: One hundred years of international cooperation in hydrography
• Theme 2022: Hydrography - contributing to the United Nations Ocean Decade

Explanation

• World Aspergillosis Day is observed on 1st February every year.

• Aspergillosis is an infection.

• Aspergillosis Day was first observed in 2018.

• 1 February 2022 marks the 5th Aspergillosis day.

Explanation

World Humanitarian Day is an international day dedicated to recognize humanitarian personnel and those who have died working for humanitarian causes observed on 19 August.