Which team has won the inaugural ICC World Test Championship held on June 23 2021 ........

Explanation:

• New Zealand defeated India to win the first ICC World Test Championship. The last day of the match was played on June 23, 2021. The match saw 6 days play in place of the regular 5 days due to the rain factor. 
• Kyle Jamieson (NZ) has been adjudged as the Player of the match while Kane Williamson (NZ) is the player of the series.
• The first test championship began in 2019 with the finals being played in 2021. The next Test Championship will be held between 2021-2023.
• The top three teams, as a result, are: First: New Zealand; Second- India; Third- Australia.