4 sentences

1. 希特勒曾是纳粹德国的元首。

   Xī​tè​lè céng shì Nà​cuì Dé​guó de yuán​shǒu.

   Hitler was once the leader of Nazi Germany.

   Source: Dong Chinese Dictionary

2. 两位元首定于下周在上海会晤。

   liǎng wèi yuán​shǒu dìng​yú xià zhōu zài Shàng​hǎi huì​wù.

   The two heads of state are scheduled to meet in Shanghai next week.

   Source: Dong Chinese Dictionary

3. 许多国家的元首出席了这次峰会。

   xǔ​duō guó​jiā de yuán​shǒu chū​xí le zhè cì fēng​huì.

   Heads of state from many countries attended the summit.

   Source: Dong Chinese Dictionary

4. 德仁天皇是日本目前的国家元首。

   Dé​rén Tiān​huáng shì Rì​běn mù​qián de guó​jiā yuán​shǒu.

   Emperor Naruhito is the current head of state of Japan.

   Source: Dong Chinese Dictionary