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The date is January 26, 1950, a defining moment in Indian and world history. Krishna Menon, India's high commissioner in London, signs the Oath of Allegiance to a new constitution at a ceremony at India House. This signing marked India's new status as a republic. And ever since, the country has celebrated Republic Day on January 26. Click through the gallery for more photos of celebrations through the years:
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In 1957, the Republic Day parade passes by the Red Fort, which served as the main residence of Mughal emperors for almost two centuries. Today, the Red Fort is one of Delhi's most popular attractions for visitors.
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In 1998, members of India's Border Security Force ride on camels down Delhi's celebrated Rajpath roadway. The Border Security Force was formed in 1965 to protect India's land borders.
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In 2004 in Delhi, folk dancers from Uttaranchal state wait for their turn during a preview performance for the press before Republic Day. Uttaranchal is in northern India and known for its Hindu temples and stunning views of the Himalayas.
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In 2004, Indian soldiers march in tight formation during the Republic Day parade in Delhi. India has one of the largest military forces in the world.
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Republic Day is celebrated far beyond Delhi. In 2004, a float representing the state of Goa passes by spectators. Goa is in western India, along the Arabian Sea, and has a long history as a Portuguese colony. Its beaches make it a popular tourist destination.
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In 2006, Indian children stand by a display of national flags at their roadside stall in Patna. It's the capital city of Bihar state, which is in eastern India and borders Nepal. Patna is one of India's oldest cities and sits on the south bank of the sacred Ganges River.
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In 2009, soldiers' headgear makes for a colorful display as they march in Delhi. This parade held special significance for India, taking place just two months after the terror attacks on Mumbai.
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In 2009, Indian soldiers ride in formation on motorcycles. The annual parade is an opportunity for India to display its military might, progress and cultural diversity.
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In 2009, folk dancers from the state of Rajasthan perform on the grounds of the Presidential Palace the day after the parade. Rajasthan borders Pakistan and is famed for its stunning capital Jaipur, known as the "Pink City." Find out more about Rajasthan's color-coded city here.
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In 2010, India's Presidential Palace and Central Secretariat in Delhi are decorated in lights that cast a lovely reflection in a pond. The Republic Day celebrations culminate with the "Beating Retreat" on January 29, a ceremony that dates back to the days when troops disengaged themselves from battle at sunset.
PRAKASH SINGH/AFP/Getty Images
In 2011, a Kathakali dancer from Kerala state gets ready before a press preview performance. Kathakali is a classic Indian dance style popular in Kerala, which is on India's southwest coast. Its languid waterways and tropical beauty have put it in on the tourist map.
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In 2011, Indian army soldiers march during the Republic Day parade in Bangalore. This major city in southern India is the country's high-tech epicenter. It's known for its beautiful parks and moderate climate.
INDRANIL MUKHERJEE/AFP/Getty Images
In 2012, a boy runs past a 150-foot-long handmade Indian national flag hung in one of the narrow lanes of the Dharavi slum in Mumbai. This city on India's west coast is the country's financial and entertainment capital.
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This classic shot from 2012 shows the full spectacle that is the Republic Day parade in Delhi.
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In 2013, a member of a paramilitary security group performs a motorcycle stunt at Assam Rifles ground in Agartala in the northeastern state of Tripura. The country of Bangladesh actually lies between Tripura and the bulk of the country to the west.
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In 2016, the Indian Army women's contingent takes part in a full dress rehearsal for the Republic Day parade.
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In 2018, an artisan in Kolkata gives a finishing touch to a statue of Mahatma Gandhi (right) to be used in the Delhi parade. You can also see statues of Indian classical musicians Bismillah Khan (left) and Bhupen Hazarika. Kolkata is the dominant city in eastern India and is often considered the country's cultural and literary capital.
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In 2018, marching bands from the Indian Armed Forces perform during the Beating Retreat ceremony in Delhi.
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A tableau of Indian Railways takes part during the New Delhi parade in 2019 -- India's 70th Republic Day.
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In 2019, Indian Railway Protection Force dog squad personnel stand at attention in a parade in Secunderabad, the twin city of Hyderabad in Telangana state.
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In 2019, an Indian Navy contingent marches during the New Delhi parade.
CNN  — 

India is the world’s largest democracy, and it’s serious about its constitution. The country goes all out to celebrate its remarkable achievement in self-governing each Republic Day.

The biggest focus is on New Delhi’s impressive annual military and cultural parade, but this national holiday is celebrated far and wide.

Anyone who plans to travel to India during Republic Day can expect some potential transportation delays and various business closures, especially in Delhi. But you can be promised an amazing spectacle you won’t soon forget. First, a quick history:

What is Republic Day?

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India's high commissioner in London, Krishna Menon, signs the Oath of Allegiance to the Indian constitution on January 26, 1950.

India freed itself from centuries of colonial British rule in August of 1947. They began work on a new governing document for the sprawling nation, and it was adopted in November 1949.

But it wasn’t until January 26, 1950, that its new constitution went into effect.

And on that day, with an estimated population of about 359 million people, India officially became the world’s largest democracy. (By contrast, the United States with a current population of about 300 million is still catching up to India’s 1950 figure).

And from that first January 26 onward, the country celebrates with Republic Day. In 2020, that date falls on a Sunday.

Delhi parade and celebration

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Indian soldiers march during the Republic Day parade in Delhi on January 26, 2009.

As the capital, New Delhi hosts the nation’s biggest parade. It’s quite the spectacle.

You’ll see displays of India’s military prowess with tanks, weaponry and precision marching by armed forces members in their finest uniforms. It’s not just a military display, though.

You’ll also see elaborate floats and groups of people representing India’s almost unfathomable variety of cultures, religions and climates.

You can watch everything from men astride camels and military hardware displays to beautiful floats reflecting India’s many religions – Hinduism, Islam, Buddhism and more.

It’s a jubilant free-for-all with dancers in colorful, swirling costumes and acrobats on motorcycles.

VIPs join the masses

02:08 - Source: CNN
Obama chief guest at India's Republic Day parade

This is also an international celebration, with dignitaries from around the world attending.

Back at the first Republic Day in 1950, chief guest was Indonesian President Sukarno. US President Barack Obama went in 2015. In 2019, South African President Cyril Ramaphosa had the honor.

In 2020, Brazilian President Jair Bolsonaro has accepted the invitation.

Where is Delhi’s parade held?

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Indian army soldiers march during the Republic Day parade on the Rajpath in Delhi on January 26, 2012.

The route is more than 5 kilometers (3.1 miles) long, and it follows the Rajpath, one of the country’s most celebrated roadways.

It starts near the Presidential Palace, passes through the famed India Gate and winds up around the Red Fort.

The Rajpath is lined with lush green spaces, trees and canals. (Travel hint: If you aren’t in the city for the parade, the Rajpath is worth a visit any time of year).

The parade lasts about three hours and starts at 9:30 a.m. local time after a ceremonial hoisting of the Indian flag. The website Indianholidays.com has more details for interested travelers, including information on ticket prices.

What about the rest of the nation?

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Delhi isn't the only parade host. These soldiers march in Bangalore on January 26, 2011.

Republic Day is not just a Delhi affair. Flag ceremonies, parades and celebrations are held all over the country. Here’s a small sampling from some of India’s other cities:

– Bangalore (high-tech hub in south-central India): You can enjoy a parade and cultural fair at the Field Marshal Manekshaw Parade Ground.

– Chennai (capital of Tamil Nadu on the southeastern coast): India’s fourth-largest city has celebrations along Kamarajar Salai and at Marina Beach.

– Kolkata (eastern India and one-time capital under British rule): Its parade winds along Red Road near the Maidan.

– Mumbai (financial and entertainment powerhouse on the west coast): The city hosts celebrations at Shivaji Park or along Marine Drive.