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Calendar of Military Events, Holidays & Observances

SDI has decades of experience producing communication campaigns and world-class events for the nonprofits, government agencies and corporations supporting our military and veterans’ communities. Our experience has taught us where to find trusted sources for making our clients’ work accurate, timely and relevant. For years, these sources lived in our team’s transition binders, Slack channels, web browsers and collective memories. Now, we have organized SDI’s institutional knowledge in an interactive calendar, and we are sharing it with the world.

If you support those who serve as a communicator, marketer, event producer, or advocate, we hope you find our military events and observances calendar valuable. Please bookmark it, share it, and send us your suggestions for other dates you think should be included (see link below). 

Student Veterans of America National Conference


“The SVA National Conference ("NatCon" as we like to call it) is the largest gathering of student veterans anywhere in the world. With SVA chapters at nearly 1,500 campuses across […]

USO Birthday


2024 marks the 83rd birthday of the United Service Organizations (USO). “Since 1941, the USO has been the nation’s leading organization to serve the men and women in the U.S. […]

National Salute to Veteran Patients

“The week of February 14 each year is your opportunity to say thank you to a special group of men and women, the more than 9 million Veterans of the […]

Air Force Association’s 2024 Warfare Symposium

“The AFA Warfare Symposium is a premier professional development event for the U.S. Air Force, U.S. Space Force, and the aerospace and defense industry that supports them, with a focus […]

VFW Auxiliary Mid-Year Conference


The VFW Auxiliary Mid-Year Conference is scheduled for February 12-17, featuring a 5-night cruise round-trip from Port Canaveral aboard the Royal Caribbean’s Mariner of the Seas. More details about the […]

K9 Veterans Day

“Service members have relied on canine comrades since the beginning of organized warfare, but it wasn’t until March 13, 1942, when the United States Army began training dogs for the […]

2024 AUSA Global Force Symposium & Exposition

“The 2024 AUSA Global Force Symposium & Exposition will explore the capabilities outlined in the Army’s Modernization Strategy to drive transformational change. Special guest presentations, coupled with panel discussions from […]

Military Saves Month


April is Military Saves Month, a time to honor our service members by promoting financial stability and encouraging the military community to build wealth through savings and debt reduction. Learn […]

Purple Up! Day

Throughout the Month of the Military Child, Department of Defense Education Activity encourages schools and communities to plan special events to honor military children. Wearing purple is a visible way […]

Military Spouse Appreciation Day

“Like our service members, military spouses know what it means to make sacrifices for our values and freedoms — stepping up every day to shoulder the unique burdens that come […]

Armed Forces Day


"On Armed Forces Day, we honor all the members of our Army, Navy, Air Force, Marine Corps, Space Force, Coast Guard, and National Guard and Reserve forces. United by a […]

National Veterans Golden Age Games


“Founded in 1985, the National Veterans Golden Age Games serves Veterans ages 55 years and older. Through its “Fitness for Life” motto, the Golden Age Games offers sports competitions and […]

Memorial Day

“Memorial Day, originally called Decoration Day, is a day of remembrance for those who have died in service of the United States of America.” Source: U.S. Memorial Day Learn more: […]

Midway Night

The Battle of Midway Celebration Dinner is held every June. The date for 2024, the 82nd anniversary of the decisive Pacific battle, has not yet been announced. Please check the […]


June 6, 2024, marks the 80th anniversary of D-Day. “In the early hours of June 6, under the cover of darkness, American and British paratroopers dropped into Normandy from more […]

Flag Day

“In 1893, the Society of Colonial Dames succeeded in getting a resolution passed to have the flag displayed on all of the city’s public buildings. Elizabeth Duane Gillespie, a direct […]

Independence Day

“Independence Day commemorates the adoption of the Declaration of Independence on July 4, 1776, by the Continental Congress declaring that the thirteen American colonies were no longer part of the […]

National Veterans Wheelchair Games

The 2024 National Veterans Wheelchair Games will be held in New Orleans, Louisiana, from July 25-30. “The National Veterans Wheelchair Games is the world’s largest annual wheelchair sports event solely […]

VFW National Convention

The 125th VFW National Convention will be held in Louisville, Kentucky from July 27 to August 1. “Every year, thousands of VFW and Auxiliary delegates gather to represent the organization’s […]

AMVETS National Convention

The 79th American Veterans (AMVETS) National Convention is set to be held in Springfield, Illinois in 2024. Please visit the link below for more information as it becomes available. AMVETS: […]

PVA 12th Annual Healthcare Summit + Expo

“For more than 10 years Paralyzed Veterans of America has expanded its commitment to spinal cord injury/disease (SCI/D), MS, and ALS patient care through its Summit. Summit is an intensive, […]

The American Legion’s 105th National Convention

Official dates and details on the American Legion’s 105th National Convention are yet to be announced. Please visit the link below for more information as it becomes available. American Legion: […]

National Veterans Small Business Week

National Veterans Small Business Week (NVSBW) is dedicated to acknowledging the significant impact veterans have made on small businesses in America. 2024 dates are yet to be announced. Please check […]

Veterans Day

“Veterans Day, formerly known as Armistice Day, was originally set as a U.S. legal holiday to honor the end of World War I, which officially took place on November 11, […]

National Wreaths Across America Day

“Each December on National Wreaths Across America Day, our mission to Remember, Honor and Teach is carried out by coordinating wreath-laying ceremonies at Arlington National Cemetery, as well as at […]

International Defense Exhibition & Conference (IDEX) 2025

Please note that the International Defense Exhibition & Conference (IDEX) will not have a conference in 2024. The Exhibition and Conference has been moved to February 17-21, 2025. “IDEX continues […]