Significance of 25th December: Christmas Day is celebrated on 25 December worldwide annually to commemorate the birth anniversary of Jesus Christ, the Son of God. Good Governance Day in India is observed on 25 December to commemorate the birth anniversary of Atal Bihari Vajpayee, his Samadhi namely 'Sadiav Atal' was dedicated to the nation and reflects his personality as a poet, humanist, statesman, and a great leader. 336- The first recorded celebration of Christmas was in Rome. 1758- Halley's Comet is sighted by Johann Georg Palitzsch, confirming Edmund Halley's prediction of its passage. 1962- The Soviet Union conducts its final above-ground nuclear weapon test in anticipation of the 1963 Partial Nuclear Test Ban Treaty. 1991- Mikhail Gorbachev resigns as President of the Soviet Union. 2004- The Cassini orbiter was the fourth space probe to visit Saturn and the first to enter its orbit, where it stayed from 2004 to 2017. Famous people who had responded birthdays on ...