On May 11, 1998, National Technology Day is observed to commemorate the Pokhran II nuclear tests.

The successful test launch of the Shakti-I nuclear missile was conducted at the Indian Army's Pokhran Test Range in Rajasthan.
Similarly, Mother’s Day is celebrated on May 11, which falls on the second Sunday of May.

This day is dedicated to honoring motherhood.
In 1907, Anna Jarvis introduced the concept of Mother’s Day, and in 1914, it was nationally recognized and celebrated.

May 11, 1951 – President Rajendra Prasad inaugurated the newly reconstructed Somnath Temple.
May 11, 1962 – Dr. Sarvepalli Radhakrishnan was elected as the President of India.