Youngest to identify flags of all countries
The record for being the youngest to identify the flags of all countries was set by D. Dhanvisree (born on May 17, 2019) of Tiruchirappalli, Tamil Nadu. She picked up the correct flags of 195 countries (by their names) at the age of 1 year, 10 months and 3 days, as confirmed on March 25, 2021.