A news-sheet "Solidarność", printed in the Gdansk shipyard during the August 1980 strike, reached a print run of 30,000 copies daily. The communist regime then allowed for two legal periodics to be published under the government control and cenzorship, yet with a significant margin of freedom: in January 1981, a regional weekly Jedność in Szczecin, and in May the nationwide weekly Tygodnik Solidarność with Tadeusz Mazowiecki as chief editor and circulation of 500,000. Both newspapers were dependent on the government grants of printing paper, what limited the number of copies. Semi-legal news bulletins were printed by Solidarity and other opposition groups in almost every town, on paper sent as aid by some Scandinavian and Western-European trade unions, without the regime's consent, but for the time being, rarely prosecuted. All that ended December 13, 1981, when gen. Wojciech Jaruzelski imposed a martial law and delegalized Solidarity.