Explanation

As per a report released on 31-12-2020, more than 350000 people have died due to COVID-19 in USA, highest deaths in the world.

Explanation

The International Day for Preventing the Exploitation of the Environment in War and Armed Conflict is an international day observed annually on November 6.

The Day was established on November 5, 2001 by the United Nations General Assembly, during Kofi Annan's tenure as Secretary-General.

Explanation

The 20^th Summit of SCO Council of Heads of state was held on November 10, 2020, in video conference format.

The meeting was chaired by Russian president Vladimir Putin.

Prime minister Imran Khan led the Pakistani delegation.

Explanation

The current president of Ukraine is Volodymyr Zelensky, who took the oath of office on 20 May 2019.

Explanation

Scott John Morrison is an Australian politician serving as the 30th and current prime minister of Australia having become the leader of the Liberal Party in August 2018. 

Explanation

Father's day 2020 observed on June 21.