Have you started planning your marketing calendar for 2021? With a range of important dates spread throughout the year, it’s important to stay informed when planning your relevant content.

Stay informed when it comes to important dates and anniversaries in 2021. The best way to plan your marketing calendar for 2021 is to know exactly what is happening. The Cherrydeck Editorial Team has compiled a list to inspire your content scheduling — Take a look!

Ban of Cigarette Advertisement

50th anniversary | 2nd January

The Public Health Cigarette Smoking Act banned companies to show or talk about cigarettes on the television and radio. This banning bookmarked the start of many regulations put in place when it comes to advertising efforts.


20th anniversary | 9th January

Although it seems like forever ago, it was only 20 years ago that Apple launched their media player and management software, iTunes. This launch was just the start of turning mass market consumers into loyal customers.

All in the Family

50th anniversary | 12th January

This day marks the debut of the most influential sitcoms in the U.S., All in the Family. It brought upon a new era through its depiction of controversial issues and socially relevant discussions.

Heartbreak Hotel by Elvis Presley

65 anniversary | 27th January

Elvis Presley released his hit song Heartbreak Hotel. The song rocketed to the top of the US charts, and became Presley’s first hit in the UK in May 1956.

The Beatles First Performance

60th anniversary | 9th February

The British rock band, The Beatles, held their very first performance at The Cavern Club in Liverpool. This gig was a turning point in the musical future of the band, as they were first discovered and signed by Brian Epstein.

Pokémon Media Franchise

25th anniversary | 27th February

Japanese video game designer, Satoshi Tajiri, launched the Pokémon media franchise. The first games included the Pokémon Red and Green Versions, allowing people of all ages to catch, train and trade over 150 creatures.  

Winston Churchill’s Iron Curtain Speech

75th anniversary | 5th March

When Winston Churchill delivered this speech he was no longer Prime minister of Britain. The speech stressed the importance of the U.S. and Britain acting as the guardians of peace and stability against the Soviet Union.

Fukushima Nuclear Disaster

10th anniversary | 11th March

When a earthquake with a magnitude of 9.0 hit Japan’s eastern coast, just 230 miles north of Tokyo, a tsunami with 34 foot waves was triggered. As a result, nuclear reactors melted down creating the most horrific nuclear disaster since Chernobyl.

Royal Albert Hall

150th anniversary | 29th March

Queen Victoria officially opened the Royal Albert Hall in London. The hall is one the UK’s most treasured buildings, not only because of its breathtaking appearance, but the variety of talents that have been showcased.

Legalisation of Same-Sex Marriage

20th anniversary | 1st April

On April 1, 20 years ago the Netherlands legalised same-sex marriage — making them the first country to do so. However, not only did the legalisation take place, but the day also marks the first four ceremonies taking place.

Mars Odyssey Spacecraft Launch

20th anniversary | 7th April

20 years ago, NASA launched its Mars Odyssey spacecraft to investigate water and volcanic activity on Mars. Having gone into orbit around Mars on October 24th, it will most likely remain operational until 2025.

Daily Mail newspaper

125th anniversary | 4th May

In May we celebrate the first edition of the Daily Mail newspaper printed in the UK in broadsheet format. The Daily Mail is the second biggest selling newspaper in the UK, with printing taking place from Monday to Saturday.

Hour Glass

75th anniversary | 9th May

This day marks the premiere of the first network television variety show, Hour Glass. The television show illustrated issues confronted by networks, advertising, and sponsorships.

Annie Get Your Gun

75th anniversary | 16th May

On this day in May, the musical Annie Get Your Gun opened on Broadway. Incorporating the music and lyrics by Irving Berlin, the work became a popular musical comedy running for 1,147 performances.

Anna Atkins

150th anniversary | 9th June

150 years after Anna Atkins death, she is still remembered as the first person to publish an illustration book with photographic images — Photographs of British Algæ: Cyanotype Impressions. Many also say she was the first woman to make a photograph.

Pentagon Papers

50th anniversary | 13th June

On June 13, 1971 the New York Times began publishing aspects of the Pentagon Papers. The Pentagon Papers was a top secret report based around the United State’s involvement in Vietnam.

Boston Bruins

10th anniversary | 15th June

The last time the Boston Bruins won the Stanley Cup was in 1972. However, in 2011 all this changed. The winning team of the National Hockey League (NHL) is awarded with the Stanley Cup.

First Mobile Phone Service

75th anniversary | 17th June

On this day, the first mobile phone service was integrated in St. Louis, Missouri. Radio telephones were installed into cars, which allowed a connection to be made to the land line network.

Death of Jim Morrison

50 anniversary | 3rd July

This year marks 50 years since American rock singer and songwriter, Jim Morrison passed away. Morrison is known best for being the lead vocalist of The Doors, and credited as a member of the 27 club.

Donkey Kong

40th anniversary | 9th July

With video games beginning to gain more interest in the 1980s, Donkey Kong is no exception. With its vibrant colours and difficulty, the video game became a hit, following a sequel in 1994.


40th anniversary | 1st August

MTV launched just after midnight on August 1, 1981. The broadcast kicked off with the airing of “Video Killed the Radio Star” by the Buggles, in New York City. MTV went on the shift the music industry, as it became the most influential platform for pop culture world-wide.

Gertrude Ederle

95th anniversary | 6th August

On August 6, 1926 Gertrude Ederle became the first women to swim the English Channel. As a result of this extravagant achievement, the press often times referred to Ederle as “Queen of the Waves”.

The Berlin Wall

60th anniversary | 13th August

This moment is seen as the last major incident of the Cold Ware — the Berlin Wall. The wall was built to prevent the German population from escaping the Soviet-controlled east and fleeing to the west. For nearly 30 years the wall was standing, dividing the country its families.

The First Telegram

110th anniversary | 20th August

A dispatcher in the New York Times office sends the first telegram around the world. The message read “This message sent around the world”, and was relayed by 16 operators until returning to the same operator who sent the message 16.5 minutes later.

Twin Towers 9/11 Attack

20th anniversary | 11th September

The day which changed the lives for many people is remembered on this day. Several attacks shock the U.S., the most known being the attack on the Twin Towers in New York City, followed by attempts on Washington D.C. and the Pentagon.

Everybody Loves Raymond

25th anniversary | 13th September

In 1996, a show aired on CBS, which is now considered on of television’s greatest comedies. Having aired from 1996 to 2005 it still remains a popular show which more recent generations watch.

Walt Disney World Resort

50th anniversary | 1st October

On this day, Walk Disney World Resort opened its doors to the public in Orlando, Florida. The official opening included the introduction of Magic Kingdom Park, Disney’s Contemporary Resort, Disney’s Fort Wilderness Resort and Campground, and Disney’s Polynesian Resort.

Statue of Liberty

135th anniversary | 28th October

The copper statue known as the Statue of Liberty stands before the island of Manhattan. It was gifted to the US by the French, and acts as a symbol for hope and enlightenment, greatly represented by the torch.

Stairway to Heaven by Led Zeppelin

50th anniversary | 8th November

In 2021, we remember the Led Zeppelin IV album debut and the unleashing of a, still, much listened to song Stairway to Heaven.

Moby Dick

170th anniversary | 14th November

Herman Melville originally published Moby Dick in 1851. The novel surrounds the vendetta that Capt. Ahab has against the great white whale, Moby Dick and his voyage to finding him. The novel is one that is still read and discussed in schools.

Life Magazine

85th anniversary | 23rd November

The first issue of Life magazine was published on this day. The publishing featured a cover photo shot by Margaret Bourke-White of the Fort Peck Dam’s spillway. The original mission of Life magazine was to show the news and what was happening in the world, opposed to just writing about it.


75th anniversary | 11th December

The United Nations International Children’s Emergency Fund (UNICEF) was established on this day in an attempt to respond to millions of refugee children. It was proclaimed as a new ethic of the care and protection of children whom had lost their homes and food as a result in the aftermath of WWII.

Atlantic Radio Transmission

120th anniversary | 12th December

When Guglielmo Marconi and George Kemp heard silent clicks of Morse code a message had been transmitted wirelessly across the Atlantic Ocean. This achievement is known as the first reception of transatlantic radio signals, which led to major advancements in technology and science.

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Posted by:Cherrydeck Editorial

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