Explanation:

 Sprinter Hima Das has created history by becoming the first Indian woman to win a gold at the IAAF World Under- 20 Athletics Championships in Tempere, Finland on July 12, 2018. Das, who is from Dhing village in Assam’s Nagaon distrist, has clinched the top spot in the women’s 400 meters final race on the third day of the competitions. She clocked 51.46 seconds to win the gold. No woman before Das has won a gold medal in a World Championship at any level, be it youth, junior or senior. She is also the first Indian, men or women, to have won a gold in a track event at the world level.