Important Days World Osteoporosis Day 2023 – October 20, 2023 World Osteoporosis Day is observed every year to promote awareness regarding the prevention, diagnosis, and treatment of osteoporosis. First World Osteoporosis Day – 1996. Theme 2023 : Step Up for Bone Health-Build Better Bones World Statistics Day 2023 – October 20 World Statistics Day is observed every year to create awareness about the significant role of advanced, reliable, and good quality statistics in the development of global nations. Theme for 2023 have not been disclosed yet. National Solidarity Day 2023 – October 20, 2023 India celebrates the National Solidarity Day on October 20, 2023 to honor and remember the commitment, courage and sacrifices of Indian Military forces. The day aims to commemorate the 1962 War between India and China. Note Border Agreements between India and China ‘Maintenance of Peace and Tranquillity’ (1993) Military CBMs (1996) Political Parameters and Guiding Principles for the settlement of boundary question (2005) Border defence cooperation (2012)