lì / shǐ / kè / shàng / wǒ / men / xué / xí / le / sì / yī / èr / shì / jiàn / nà / shì / yī / jiǔ / èr / qī / nián / fā / shēng / zài / zhōng / guó / de / yī / cì / zhèng / biàn

历史课上我们学习了四一二事件，那是1927年发生在中国的一次政变。

In history class we learned about the April 12th Incident, a coup that took place in China in 1927.