1789 के किस महीने में राष्ट्रीय संविधान सभा (National Constituent Assembly) ने फ्रांस में आधिकारिक रूप से सामंती व्यवस्था और विशेषाधिकारों को समाप्त करने का प्रस्ताव पारित किया था?

In late 18th-century French society, what was the tax levied by the Church, comprising one-tenth of the agricultural produce, called?

When was the inauguration session of the Estates-General of 1789 held in France?

In which year was the 'Livre', the unit of currency in France, discontinued?