Tatiana's Day. Russian Holiday.

Tatiana Day (Russian: Татьянин день, Tatyanin den' ) is a Russian religious holidayobserved on January 25 according to the Gregorian calendar, January 12 according to the Julian. It is named after Saint Tatiana, a Christian martyr in 3rd century Rome during the reign of Emperor Alexander Severus.

In 1755 on the name day of Ivan Shuvalov's mother Tatiana Rodionovna, his mistressEmpress Elizabeth of Russia endorsed his petition to establish a university in Moscow. The church of Saint Tatiana was later built in the university campus, the Russian Orthodox Church declared Saint Tatiana the patron saint of students, and Tatiana Day has become celebrated as Russian Students Day.

Coincidentally 25 January is also end of the first term of traditional academic year for Russian students - the end of winter exams session, followed by a two-week winter holiday.