Feminism in Russia as well as income inequality and a greater burden of household work. In spite of this, the concern with feminism waned during this period. After the fall of the Soviet Union in 1991, feminist circles arose among the intelligentsia, though the term continues to carry negative connotations among contemporary Russians. In the 21st century some Russian feminists, such as the punk-rock band Pussy Riot, have again aligned themselves with revolutionary anti-government movements, as in the 2012 demonstrations against President Vladimir Putin, which led to a lawyer representing the Russian Orthodox Church calling feminism a "mortal sin". Russian feminism originated in
Dormition Cathedral, Moscow become dilapidated, and in 1472 the Moscow architects Kryvtsov and Myshkin began construction of a new cathedral. Two years later, in May 1474, the building was nearing completion when it collapsed due to earthquake. Following the disaster, Ivan III then invited Aristotele Fioravanti, a celebrated architect and engineer from Bologna, Italy, to come to Moscow and entrusted him with the task of designing the cathedral from scratch in the traditions of Russian architecture. The Assumption Cathedral in Vladimir was once again taken as a model for the building, and so Fioravanti travelled to Vladimir in order to study Russian methods