Mike Pence has shared a final farewell to the public on his last day as Vice President - and people on social media were quick to notice his message didn't contain one mention of Donald Trump.

In a message posted to the official Twitter account of the Vice President, which was shared with the VEEP's 10.3 million followers, 61-year-old Pence posted four pictures of his time in office.

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He captioned the post:

"Thank you for the privilege of serving as your Vice President these past four years, it has been the greatest honor of my life.

"On behalf of our Wonderful Second Lady, Karen Pence, and our entire Family, Thank You and God Bless America."

Watch President Trump's farewell address below:

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However, a number of Twitter users couldn't help but notice that Pence's farewell tweet featured a glaring omission. Namely, the fact that Pence made no reference whatsoever to President Donald Trump.

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For instance, Colbert Report writer Frank Lesser commented: "It's so telling that he didn't post a single photo with his boss."

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Meanwhile, someone else wrote: "I'm loving your very public breakup with Daddy Trump."

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Another wrote laconically: "{Ctrl+F} Trump."

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Financial Times journalist Edward Luce wrote: "Bit late to expunge Trump from the picture but he did try to have you lynched."

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A number of political commentators have speculated that the relationship between Trump and Pence has irrecoverably soured as a direct result of the deadly Capitol riots earlier this month.

On Wednesday, January 6, an angry mob of pro-Trump protestors stormed the Capitol Building in Washington D.C. and interrupted the Electoral College's affirmation of President-Elect Joe Biden's victory in the 2020 U.S. elections.

The rioters violently clashed with the police, leaving five people dead in the aftermath and forcing Congress to suspend itself temporarily until order could be restored.

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Pence himself, along with a number of other journalists and politicians, were then forced to evacuate the scene for their own safety.

Per The New York Times, Trump reportedly did not attempt to contact Pence during the incident and was later accused by many of inciting the civil disturbance in an incendiary speech made to the assembled crowd beforehand.

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Despite this, Pence refused to invoke the 25th amendment to remove Trump from office, despite a vote in the House of Representatives of 223 to 205 in favor.

In a letter addressed to House Speaker Nancy Pelosi, Pence wrote: "In the midst of a global pandemic, economic hardship for millions of Americans and the tragic events of January 6th now is the time for us to come together, now is the time for us to heal.

"I urge you and every member of Congress to avoid actions that would further divide and inflame the passions of the moment."

Per Reuters, a senior administration official confirmed that Pence will attend Democrat President-elect Joe Biden's inauguration ceremony.

Trump himself has declined to attend, making him the first President in more than 150 years, and only the fourth American President ever - to skip his successor's inauguration.

Mike Pence shares final farewell as Vice President - and people notice no mention of Trump