Explanation

World Osteoporosis Day is observed annually on October 20th for raising global awareness and treatment of osteoporosis and metabolic bone disease.

Theme 2020: That`s Osteoporosis

Theme 2021: Take action for bone health

Theme 2022: Step up for bone Health

Explanation

World Anesthesia Day is observed on 16 October to commemorate the first successful demonstration of diethyl ether anesthesia by William T. G. Morton on 16 October 1846.

Theme 2022: Medication Safety 

Explanation

Every year, the United Nations Day is celebrated on 24 October to mark the anniversary of the UN charter, which came into force in 1945.

Theme 2022: Building back together for peace and prosperity 

Explanation

• World Arthritis Day is observed on 12 October 
• Theme 2022: It is in your hands, take action.
• Theme 2023: Living with an RMD at all stages of life.
  

Explanation

World Sight Day, observed annually on the second Thursday of October, is a global event meant to draw attention on blindness and vision impairment.

Theme 2020: Hope in Sight

Theme 2021: Love Your Eyes 

Theme 2022: Love Your Eyes 

Explanation

• International Day of the Girl Child is observed on 11th October.
• Theme 2021: Digital generation. Our generation
• Theme 2022: Our time is now—our rights, our future.

Explanation

On 29 September 2022, United States of America (USA) struck a partnership agreement with Pacific Island Nations.

Explanation

World Maritime Day is celebrated on last Thursday of September. 

In 2022, it was celebrated on 29 September.

Theme 2022: New technologies for greener shipping.

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 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