Author gives two examples of Russian Rouble losing its peg. But rouble was never pegged to any currency, it is free float since 1990, loosely guided by Central

Author gives two examples of Russian Rouble losing its peg. But rouble was never pegged to any currency, it is free float since 1990, loosely guided by Central Bank interventions (see "currency corridor"). Only with the last Russian-Ukrainian war outbreak at Feb 24 2022 some non-market measures are in effect. Source: I was living in USSR/Russia since my birth.