Cannot save after edit. The only error found shown below.
/w/api.php?action=query&format=json&prop=info%7Cpageprops%7Cpageimages%7Cpageterms&pithumbsize=80&pilimit=50&wbptterms=description&ppprop=disambiguation&titles=1912%7C%D0%A3%D0%BD%D0%B8%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D1%82%D0%B5%D1%82%7C%D0%A0%D0%BE%D1%81%D1%81%D0%B8%D1%8F%7C%D0%9C%D0%BE%D1%81%D0%BA%D0%BE%D0%B2%D1%81%D0%BA%D0%B0%D1%8F+%D0%BE%D0%B1%D0%BB%D0%B0%D1%81%D1%82%D1%8C%7C%D0%9C%D1%8B%D1%82%D0%B8%D1%89%D0%B8%7C%D0%A3%D0%BB%D0%B8%D1%86%D0%B0+%D0%92%D0%B5%D1%80%D1%8B+%D0%92%D0%BE%D0%BB%D0%BE%D1%88%D0%B8%D0%BD%D0%BE%D0%B9+(%D0%9C%D1%8B%D1%82%D0%B8%D1%89%D0%B8)%7C%D0%92%D1%8B%D1%81%D1%88%D0%B5%D0%B5+%D1%83%D1%87%D0%B5%D0%B1%D0%BD%D0%BE%D0%B5+%D0%B7%D0%B0%D0%B2%D0%B5%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5%7C%D0%A6%D0%B5%D0%BD%D1%82%D1%80%D0%BE%D1%81%D0%BE%D1%8E%D0%B7%7C%D0%90%D0%B2%D1%82%D0%BE%D0%BD%D0%BE%D0%BC%D0%BD%D0%B0%D1%8F+%D0%BD%D0%B5%D0%BA%D0%BE%D0%BC%D0%BC%D0%B5%D1%80%D1%87%D0%B5%D1%81%D0%BA%D0%B0%D1%8F+%D0%BE%D1%80%D0%B3%D0%B0%D0%BD%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D1%8F%7C%D0%A0%D0%A4%7C%D0%9C%D0%B8%D0%BD%D0%B8%D1%81%D1%82%D0%B5%D1%80%D1%81%D1%82%D0%B2%D0%BE+%D0%BE%D0%B1%D1%80%D0%B0%D0%B7%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F+%D0%B8+%D0%BD%D0%B0%D1%83%D0%BA%D0%B8+%D0%A0%D0%BE%D1%81%D1%81%D0%B8%D0%B9%D1%81%D0%BA%D0%BE%D0%B9+%D0%A4%D0%B5%D0%B4%D0%B5%D1%80%D0%B0%D1%86%D0%B8%D0%B8%7C%D0%9A%D0%B0%D0%BB%D0%B8%D0%BD%D0%B8%D0%BD%D0%B3%D1%80%D0%B0%D0%B4%7C%D0%9A%D0%B0%D0%BC%D1%87%D0%B0%D1%82%D1%81%D0%BA%D0%B8%D0%B9+%D0%BA%D1%80%D0%B0%D0%B9%7C%D0%91%D1%83%D1%81%D1%8B%D0%B3%D0%B8%D0%BD%2C+%D0%90%D0%BD%D0%B4%D1%80%D0%B5%D0%B9+%D0%95%D0%B2%D0%B3%D0%B5%D0%BD%D1%8C%D0%B5%D0%B2%D0%B8%D1%87%7C1912+%D0%B3%D0%BE%D0%B4%7C%D0%9C%D0%BE%D1%81%D0%BA%D0%BE%D0%B2%D1%81%D0%BA%D0%B8%D0%B9+%D0%B3%D0%BE%D1%80%D0%BE%D0%B4%D1%81%D0%BA%D0%BE%D0%B9+%D0%BD%D0%B0%D1%80%D0%BE%D0%B4%D0%BD%D1%8B%D0%B9+%D1%83%D0%BD%D0%B8%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D1%82%D0%B5%D1%82+%D0%B8%D0%BC%D0%B5%D0%BD%D0%B8+%D0%90%2E+%D0%9B%2E+%D0%A8%D0%B0%D0%BD%D1%8F%D0%B2%D1%81%D0%BA%D0%BE%D0%B3%D0%BE%7C%D0%9A%D0%BE%D0%BB%D0%BB%D0%B5%D0%B4%D0%B6%7C%D0%9F%D1%80%D0%BE%D0%BA%D0%BE%D0%BF%D0%BE%D0%B2%D0%B8%D1%87%2C+%D0%A1%D0%B5%D1%80%D0%B3%D0%B5%D0%B9+%D0%9D%D0%B8%D0%BA%D0%BE%D0%BB%D0%B0%D0%B5%D0%B2%D0%B8%D1%87%7C%D0%A2%D1%83%D0%B3%D0%B0%D0%BD-%D0%91%D0%B0%D1%80%D0%B0%D0%BD%D0%BE%D0%B2%D1%81%D0%BA%D0%B8%D0%B9%2C+%D0%9C%D0%B8%D1%85%D0%B0%D0%B8%D0%BB+%D0%98%D0%B2%D0%B0%D0%BD%D0%BE%D0%B2%D0%B8%D1%87%7C%D0%A4%D0%BE%D1%80%D1%82%D1%83%D0%BD%D0%B0%D1%82%D0%BE%D0%B2%2C+%D0%90%D0%BB%D0%B5%D0%BA%D1%81%D0%B5%D0%B9+%D0%A4%D1%91%D0%B4%D0%BE%D1%80%D0%BE%D0%B2%D0%B8%D1%87+(%D0%B0%D0%B3%D1%80%D0%BE%D0%BD%D0%BE%D0%BC)%7C%D0%A7%D0%B0%D1%8F%D0%BD%D0%BE%D0%B2%2C+%D0%90%D0%BB%D0%B5%D0%BA%D1%81%D0%B0%D0%BD%D0%B4%D1%80+%D0%92%D0%B0%D1%81%D0%B8%D0%BB%D1%8C%D0%B5%D0%B2%D0%B8%D1%87%7C%D0%9C%D0%B0%D0%BA%D0%B0%D1%80%D0%BE%D0%B2%2C+%D0%9D%D0%B8%D0%BA%D0%BE%D0%BB%D0%B0%D0%B9+%D0%9F%D0%B0%D0%B2%D0%BB%D0%BE%D0%B2%D0%B8%D1%87%7C%D0%9C%D0%B0%D1%81%D0%BB%D0%BE%D0%B2%2C+%D0%A1%D0%B5%D0%BC%D1%91%D0%BD+%D0%9B%D0%B5%D0%BE%D0%BD%D1%82%D1%8C%D0%B5%D0%B2%D0%B8%D1%87%7C%D0%92%D0%BE%D0%BB%D0%BE%D0%BA%D0%BE%D0%BB%D0%B0%D0%BC%D1%81%D0%BA%D0%BE%D0%B5+%D1%88%D0%BE%D1%81%D1%81%D0%B5+(%D0%9C%D0%BE%D1%81%D0%BA%D0%B2%D0%B0)%7C%D0%92%D0%B5%D0%BB%D0%B8%D0%BA%D0%B0%D1%8F+%D0%9E%D1%82%D0%B5%D1%87%D0%B5%D1%81%D1%82%D0%B2%D0%B5%D0%BD%D0%BD%D0%B0%D1%8F+%D0%B2%D0%BE%D0%B9%D0%BD%D0%B0%7C%D0%9A%D0%B0%D0%B7%D0%B0%D1%85%D1%81%D1%82%D0%B0%D0%BD%7C%D0%92%D0%BE%D0%BB%D0%BE%D1%88%D0%B8%D0%BD%D0%B0%2C+%D0%92%D0%B5%D1%80%D0%B0+%D0%94%D0%B0%D0%BD%D0%B8%D0%BB%D0%BE%D0%B2%D0%BD%D0%B0%7C%D0%93%D0%B5%D1%80%D0%BE%D0%B9+%D0%A1%D0%BE%D0%B2%D0%B5%D1%82%D1%81%D0%BA%D0%BE%D0%B3%D0%BE+%D0%A1%D0%BE%D1%8E%D0%B7%D0%B0%7C%D0%A1%D1%80%D0%B5%D0%B4%D0%BD%D0%B5%D0%B5+%D0%BF%D1%80%D0%BE%D1%84%D0%B5%D1%81%D1%81%D0%B8%D0%BE%D0%BD%D0%B0%D0%BB%D1%8C%D0%BD%D0%BE%D0%B5+%D0%BE%D0%B1%D1%80%D0%B0%D0%B7%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5%7C%D0%92%D1%8B%D1%81%D1%88%D0%B5%D0%B5+%D0%BE%D0%B1%D1%80%D0%B0%D0%B7%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5%7C%D0%90%D1%81%D0%BF%D0%B8%D1%80%D0%B0%D0%BD%D1%82%D1%83%D1%80%D0%B0%7C%D0%94%D0%BE%D0%BA%D1%82%D0%BE%D1%80%D0%B0%D0%BD%D1%82%D1%83%D1%80%D0%B0%7C%D0%A4%D0%B0%D0%BA%D1%83%D0%BB%D1%8C%D1%82%D0%B5%D1%82%7C%D0%91%D0%B0%D0%BA%D0%B0%D0%BB%D0%B0%D0%B2%D1%80%D0%B8%D0%B0%D1%82%7C%D0%9C%D0%B0%D0%B3%D0%B8%D1%81%D1%82%D1%80%7C%D0%A1%D0%BF%D0%B5%D1%86%D0%B8%D0%B0%D0%BB%D0%B8%D1%81%D1%82+(%D0%BA%D0%B2%D0%B0%D0%BB%D0%B8%D1%84%D0%B8%D0%BA%D0%B0%D1%86%D0%B8%D1%8F)%7C%D0%9A%D0%BB%D1%83%D0%B1+%D0%B2%D0%B5%D1%81%D1%91%D0%BB%D1%8B%D1%85+%D0%B8+%D0%BD%D0%B0%D1%85%D0%BE%D0%B4%D1%87%D0%B8%D0%B2%D1%8B%D1%85%7C%D0%9A%D0%B8%D1%81%D0%BB%D0%BE%D0%B2%D0%BE%D0%B4%D1%81%D0%BA%7C%D0%9A%D0%B0%D1%82%D0%B5%D0%B3%D0%BE%D1%80%D0%B8%D1%8F%3A%D0%92%D1%8B%D0%BF%D1%83%D1%81%D0%BA%D0%BD%D0%B8%D0%BA%D0%B8+%D0%A0%D0%BE%D1%81%D1%81%D0%B8%D0%B9%D1%81%D0%BA%D0%BE%D0%B3%D0%BE+%D1%83%D0%BD%D0%B8%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D1%82%D0%B5%D1%82%D0%B0+%D0%BA%D0%BE%D0%BE%D0%BF%D0%B5%D1%80%D0%B0%D1%86%D0%B8%D0%B8%7C%D0%90%D0%B2%D0%B4%D0%BE%D0%BA%D1%83%D1%88%D0%B8%D0%BD%2C+%D0%95%D0%B2%D0%B3%D0%B5%D0%BD%D0%B8%D0%B9+%D0%A4%D1%91%D0%B4%D0%BE%D1%80%D0%BE%D0%B2%D0%B8%D1%87%7C%D0%94%D0%B0%D0%B2%D1%8B%D0%B4%D0%BE%D0%B2%2C+%D0%98%D0%B2%D0%B0%D0%BD+%D0%9B%D1%83%D0%BA%D0%B8%D1%87%7C%D0%9A%D1%80%D0%B0%D0%B2%D1%86%D0%BE%D0%B2%2C+%D0%90%D0%BB%D0%B5%D0%BA%D1%81%D0%B5%D0%B9+%D0%92%D0%BB%D0%B0%D0%B4%D0%B8%D0%BC%D0%B8%D1%80%D0%BE%D0%B2%D0%B8%D1%87%7C%D0%9C%D0%BE%D1%82%D0%BE%D1%80%D0%B8%D0%BD%2C+%D0%9C%D0%B8%D1%85%D0%B0%D0%B8%D0%BB+%D0%90%D0%BB%D1%8C%D0%B1%D0%B5%D1%80%D1%82%D0%BE%D0%B2%D0%B8%D1%87%7C%D0%A1%D1%82%D1%80%D0%B0%D1%85%D0%BE%D0%B2%D0%B0%D1%8F+%D0%BA%D0%BE%D0%BC%D0%BF%D0%B0%D0%BD%D0%B8%D1%8F%7C%D0%92%D0%A2%D0%91+%D0%A1%D1%82%D1%80%D0%B0%D1%85%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5%7C%D0%A8%D0%B8%D0%BC%D0%B0%D0%BD%D1%81%D0%BA%D0%B8%D0%B9%2C+%D0%92%D1%81%D0%B5%D0%B2%D0%BE%D0%BB%D0%BE%D0%B4+%D0%9F%D0%B0%D0%B2%D0%BB%D0%BE%D0%B2%D0%B8%D1%87%7C%D0%A0%D0%BE%D1%81%D1%81%D0%B8%D0%B9%D1%81%D0%BA%D0%B0%D1%8F+%D0%A1%D0%BE%D0%B2%D0%B5%D1%82%D1%81%D0%BA%D0%B0%D1%8F+%D0%A4%D0%B5%D0%B4%D0%B5%D1%80%D0%B0%D1%82%D0%B8%D0%B2%D0%BD%D0%B0%D1%8F+%D0%A1%D0%BE%D1%86%D0%B8%D0%B0%D0%BB%D0%B8%D1%81%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B0%D1%8F+%D0%A0%D0%B5%D1%81%D0%BF%D1%83%D0%B1%D0%BB%D0%B8%D0%BA%D0%B0%7C1966+%D0%B3%D0%BE%D0%B4%7C%D0%92%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F%3A%D0%9F%D1%80%D0%BE%D0%B2%D0%B5%D1%80%D1%8F%D0%B5%D0%BC%D0%BE%D1%81%D1%82%D1%8C%7C%D0%9E%D1%80%D0%B4%D0%B5%D0%BD+%D0%94%D1%80%D1%83%D0%B6%D0%B1%D1%8B+%D0%BD%D0%B0%D1%80%D0%BE%D0%B4%D0%BE%D0%B2&continue= Failed to load resource: net::ERR_CONNECTION_CLOSED