In this task, you are given a sentence in the Japanese language and your task is to convert it into the English language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).

領空開放条約にのっとり、ノルウェーとデンマークはベラルーシとロシア上空の観測飛行の実行を昨日開始した。
In accordance with the Treaty on Open Skies, Norway and Denmark started conducting observation flights over Belarus and Russia yesterday.

ロシアの通信社であるイタル・タス通信が、「最近の肖像画が朝鮮の公共の場での展示から外された」と報じてからまだ数日のことでした。
It was only days after the Russian news agency Itar-Tass reported that portraits of Kim Jong Il have recently been removed from public display in North Korea.

国連は、１００万人が家を失うか、何らかの援助が必要であると報告した。

The United Nations has reported that one million people are homeless, or in need of help in some other way.