USSR Union of Soviet Socialist Republics- ১৯১৭ সালে অক্টোবর বিপ্লবের পর ১৯২২ সালে পৃথিবীর প্রথম সমাজতান্ত্রিক রাষ্ট্র সোভিয়েত ইউনিয়ন গঠিত হয়। ১৯৯১ সালে সোভিয়েত ইউনিয়ন ভেঙে ১৫টি রাষ্ট্র হয় মিখাইল গর্বাচেভের সময়।
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আমাদের অল-ইন-ওয়ান মোবাইল অ্যাপের মাধ্যমে সীমাহীন শেখার সুযোগ উপভোগ করুন।
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