upbboard.blogspot.com - Upboardvigyan6,7,8,9,10
24 october 1945 ko ukt rastra sangh ki sthapana hui.suru me isme 51 desh thei..2011tak 193 rastra sadasya ho gaye. sansar me chhote bade, kam shaktishali sabhi tarah ke desh hai .kabhi kabhi do ya kai desho me matbhed ho jata hai .yah matbhed kabhi kabhi yudh ka rup le leta hai,visva me prayah chote star par yudh hote rahate hai kintu 20nvi satabdi me do visvyudh hue hai …