Explanation

Lithuania joined the euro area on 1 January 2015 and became its 19th member. 

it is the 19th country to join the currency union

Explanation

The École Polytechnique massacre (French: tuerie de l'École polytechnique), also known as the Montreal massacre, was a 1989 antifeminist mass shooting at the École Polytechnique de Montréal in Montreal, Quebec. 

Explanation

The Treaty of Mangalore was signed between Tipu Sultan and the  East India Company on 11 March 1784

Explanation

Pig iron is the product of smelting iron ore with a high-carbon fuel and reluctant such as coke, usually with limestone as a flux. Charcoal and anthracite are also used as fuel and reductant.

Pig iron is produced by smelting or iron ore in blast furnaces or by smelting ilmenite in electric furnaces

Explanation

The General Assembly Hq is located in New York, New York, United States

Explanation

Yellow and red cards were introduced: FIFA World Cup (1970)

FIFA World Cup 1970 held in: Mexico

Explanation

Red Sea lying between: Africa and Asia

Explanation

Hindi is given the status of the official language of the nation by using article 343 of the constitution.

There are 22 national languages in India like 1) Assamese, (2) Bengali, (3) Gujarati, (4) Hindi, (5) Kannada, (6) Kashmiri, 

Explanation

Switzerland is the Country in Europe.

The currency of Switzerland is Swiss franc.

The Capital of Switzerland is Bern

***

 Since 1848, Bern has been the seat of the Federal Parliament of Switzerland is, therefore, the de facto capital

Explanation

The Danube is Europe's second-longest river, after the Volga.

The Danube River flows through 10 countries, more than any other river in the world.

Danube River is located in Central and Eastern Europe.

The Danube was once a long-standing frontier of the Roman Empire,

Danube River is the River world crosses most countries during its drainage.