Category Historical Analysis Annual Conference

Fourth Presentation on Antietam tonight, 27 Oct. via Zoom at 700 PM

Fourth presentation on Antietam tonight, 27 October via Zoom at 7:00 PM (EST). It is the fourth in a series of seven presentations by Dr. James Slaughter on the Maryland Campaign of 1862. It gets into the actual fighting on the morning of September 17, 1862.

The current schedule is:

4. The Morning Battle September 17, 1862 – Monday, 700 PM, 29 October:
 
5. The Afternoon and Evening September 17, 1862 – `Monday, 700 PM, 10 November:
 
6. The Aftermath September 18 to 20 1862 – Monday, 700 PM, 24 November:
 
7. Reassessing the Battle – Monday, 700 PM, 8 December: 

 

The Fourth HAAC is done and Dr. Slaughter conducted a tour of the battlefield on 24 October.  The Fifth HAAC will probably be 20-22 October and the battlefield tour will be Fredericksburg.

P.S. Here are the first two presentations on Antietam and the Maryland Campaign of 1862 done by Dr. James F. Slaughter III.

1. Understanding Antietam: Part 1: The Strategic Situation in Late Summer 1862: Antietam and the Maryland Campaign of 1862 (part 1)

2.  Action Prior to Antietam: South Mountain and Harper’s Ferry: Antietam and the Maryland Campaign of 1862 (part 2)

Fourth HAAC starts tomorrow (21-23 October) in Tysons Corner

The Fourth HAAC starts tomorrow, 21 -23 October, in Tysons Corner.

Schedule is here: HAAC 2025: Fourth Historical Analysis Annual Conference (HAAC) – The Dupuy Institute

Payment options are here: Paying for the Fourth HAAC (21-23 October) – The Dupuy Institute

Eventbrite is here: Fourth Historical Analysis Annual Conference (HAAC) Tickets, Tue, Oct 21, 2025 at 9:00 AM | Eventbrite

Conference description is here:  The Fourth HAAC is scheduled for 21 – 23 October 2025 – The Dupuy Institute

Antietam presentation cancelled tonight, rescheduled in two weeks

Sorry, but people have real lives, so we have to cancel the Antietam presentation for tonight and reschedule it to Monday after next (27 October). The current schedule is:

4. The Morning Battle September 17, 1862 – Monday, 700 PM, 29 October:
 
5. The Afternoon and Evening September 17, 1862 – `Monday, 700 PM, 10 November:
 
6. The Aftermath September 18 to 20 1862 – Monday, 700 PM, 24 November:
 
7. Reassessing the Battle – Monday, 700 PM, 8 December: 

 

The Fourth HAAC is 21-23 October and Dr. Slaughter will be conducting a tour of the battlefield on 24 October (see below). 

 

Fourth HAAC:

The Fourth HAAC schedule: HAAC 2025: Fourth Historical Analysis Annual Conference (HAAC) – The Dupuy Institute

Paying for Fourth HAAC: Paying for the Fourth HAAC (21-23 October) – The Dupuy Institute and Fourth Historical Analysis Annual Conference (HAAC) Tickets, Tue, Oct 21, 2025 at 9:00 AM | Eventbrite.

Conference description is here: The Fourth HAAC is scheduled for 21 – 23 October 2025 – The Dupuy Institute

We do offer a guided tour of the Antietam battlefield at the end of the HAAC conference on Friday October 24. It will also be conducted by Dr. James Slaughter. 

 

P.S. Here are the first two presentations on Antietam and the Maryland Campaign of 1862 done by Dr. James F. Slaughter III.

1. Understanding Antietam: Part 1: The Strategic Situation in Late Summer 1862: Antietam and the Maryland Campaign of 1862 (part 1)

2.  Action Prior to Antietam: South Mountain and Harper’s Ferry: Antietam and the Maryland Campaign of 1862 (part 2)

Fourth HAAC Schedule is updated to add Medical Session

We have updated the Fouth HAAC Schedule to add a “Biological Warfare and Medical Analysis” session: HAAC 2025: Fourth Historical Analysis Annual Conference (HAAC) – The Dupuy Institute.

It is on the third day, Thursday, 23 October. We still have four open slots in that session that we are looking for presenters for. If you are interested in presenting, please email me at LawrenceTDI@aol.com.

Adding a session on “Biological Warfare and Medical Analysis” to the Fourth HAAC

We are adding a session on Thursday, October 23 on “Biological Warfare and Medical Analysis” to the Fourth HAAC. We have lined up two presentations for it and are looking for up to five more.  Please email me at LawrenceTDI@aol.com if you would be interested in presenting at this session on October 23.

Current HAAC schedule: HAAC 2025: Fourth Historical Analysis Annual Conference (HAAC) – The Dupuy Institute

Conference Description: The Fourth HAAC is scheduled for 21 – 23 October 2025 – The Dupuy Institute

Paying for the Fourth HAAC (21-23 October)

Unfortunately, we do have to collect payment for people attending the Fourth HAAC, as we have facilities we have to rent and do not have sponsorship. The payment is the same as it has been for the last three years, which is $150 to attend for all three days, or $90 if you are presenting, or $60 if you attend for one day, or $0 if attend for one day and present.

Anyhow, to pay for HAAC you can:

1. Pay by buying a ticket on Eventbrite: Fourth Historical Analysis Annual Conference (HAAC) Tickets, Tue, Oct 21, 2025 at 9:00 AM | Eventbrite

2. Pay through Paypal at SRichTDI@aol.com.

3. Call TDI at (703) 289-0007 and pay over the phone by credit card (or by email at LawrenceTDI@aol.com).

4. Mail a check to TDI (8215 Wolftrap Rd, Tysons Corner, VA, 22182).

5. Pay by credit card, check or cash at the conference on the first day of the conference.

6. Pay by credit card, check or cash at Rangos on any Tuesday evening. I will be there after 7:00.

 

 

Conference schedule is here: HAAC 2025: Fourth Historical Analysis Annual Conference (HAAC) – The Dupuy Institute

Conference description is here: The Fourth HAAC is scheduled for 21 – 23 October 2025 – The Dupuy Institute

September’s Schedule for the Fourth Historical Analysis Conference (HAAC) 21 – 23 October 2025

The Fourth HAAC is scheduled for 21-23 October 2025. We currently have 51 presentations scheduled (and one group discussions). We are, as always, looking for more quality presentations. The current schedule is now posted to the button on this blog/web site here: HAAC 2025: Fourth Historical Analysis Annual Conference (HAAC) – The Dupuy Institute

Conference is Tuesday – Thursday.

Friday, October 24: Tour of a Civil War Battlefield – Antietam: bloodiest day of the U.S. Civil War (and in the Western Hemisphere?). – we will arrange transport there and back ($20 charge for tour).

See this link below for costs ($150), address, conference description, hotels, and call for presentations: The Fourth HAAC is scheduled for 21 – 23 October 2025 – The Dupuy Institute

Last year’s schedule is here:  October’s Revised Schedule for the Third Historical Analysis Annual Conference (HAAC) 8 – 10 October 2024 – The Dupuy Institute

 

 

———

Reserve presentations (things not on the conference schedule):

Measuring the Value of Situational Awareness – Christopher A. Lawrence (TDI)

Urban Warfare – Christopher A. Lawrence (TDI)

Measuring Human Factors – Christopher A. Lawrence (TDI)

Breakpoints – Christopher A. Lawrence (TDI)

Group Discussion: The Next Middle East Wars

Aces at Kursk – Christopher A. Lawrence (TDI)

 

 

 

Antietam Presentation tonight on Zoom at 7:00 PM

The third presentation on Antietam and the Maryland Campaign of 1862 is tonight at 7:00 PM via zoom. The link is here: 

https://us06web.zoom.us/j/83788354791?pwd=QlsATGfUYAaS4rwhw25SlyuQXrKjOW.1

 

The current schedule is:

3. The Armies on September 16, 1862 – Monday, 700 PM, 29 September:
 
4. The Morning Battle September 17, 1862 – Monday, 700 PM, 13 October:
 
The Fourth HAAC is 21-23 October and Dr. Slaughter will be conducting a tour of the battlefield on 24 October (see below).
 
5. The Afternoon and Evening September 17, 1862 – `Monday, 700 PM, 27 October:
 
6. The Aftermath September 18 to 20 1862 – Monday, 700 PM, 10 November:
 
7. Reassessing the Battle – Monday, 700 PM, 24 November: 

 

Fourth HAAC:

Now have a button for the Fourth HAAC schedule: HAAC 2025: Fourth Historical Analysis Annual Conference (HAAC) – The Dupuy Institute

The Fourth HAAC, 21 – 23 October. See July’s Schedule for the Fourth Historical Analysis Annual Conference (HAAC) 21 – 23 October 2025 – The Dupuy Institute and Fourth Historical Analysis Annual Conference (HAAC) Tickets, Tue, Oct 21, 2025 at 9:00 AM | Eventbrite.

We do offer a guided tour of the Antietam battlefield at the end of the HAAC conference on Friday October 24. It will also be conducted by Dr. James Slaughter. 

 

P.S. Here are the first two presentations on Antietam and the Maryland Campaign of 1862 done by Dr. James F. Slaughter III.

1. Understanding Antietam: Part 1: The Strategic Situation in Late Summer 1862: Antietam and the Maryland Campaign of 1862 (part 1)

2.  Action Prior to Antietam: South Mountain and Harper’s Ferry: Antietam and the Maryland Campaign of 1862 (part 2)

 

Presentation on “The Forgotten Campaign” this Wednesday, 24 September, 7:00 PM

Presentation on “The Forgotten Campaign – the origin and development of American Economic Warfare in WWII (1939-1941)” is this Wednesday at 7:00 PM by Dr. R. Ben Richards (Major, USA, ret).

The link is: https://us06web.zoom.us/j/85102581565?pwd=yyrcjsdWLGLtMjjFOyFXxLuDGK6VaV.1

 

The current schedule is:

2. The Forgotten Campaign – the origin and development of American Economic Warfare in WWII (1939-41) – Wednesday, 700 PM, 24 September

 
3. The Armies on September 16, 1862 – Monday, 700 PM, 29 September:
 
4. The Morning Battle September 17, 1862 – Monday, 700 PM, 13 October:
 
The Fourth HAAC is 21-23 October and Dr. Slaughter will be conducting a tour of the battlefield on 24 October (see below).
 
5. The Afternoon and Evening September 17, 1862 – `Monday, 700 PM, 27 October:
 
6. The Aftermath September 18 to 20 1862 – Monday, 700 PM, 10 November:
 
7. Reassessing the Battle – Monday, 700 PM, 24 November: 

 

Fourth HAAC:

The Fourth HAAC, 21 – 23 October. See July’s Schedule for the Fourth Historical Analysis Annual Conference (HAAC) 21 – 23 October 2025 – The Dupuy Institute and Fourth Historical Analysis Annual Conference (HAAC) Tickets, Tue, Oct 21, 2025 at 9:00 AM | Eventbrite.

Now have a button for the schedule: HAAC 2025: Fourth Historical Analysis Annual Conference (HAAC) – The Dupuy Institute

We do offer a guided tour of the Antietam battlefield at the end of the HAAC conference on Friday October 24. It will also be conducted by Dr. James Slaughter. 

 

P.S. Here are the first two presentations on Antietam and the Maryland Campaign of 1862 done by Dr. James F. Slaughter III.

1. Understanding Antietam: Part 1: The Strategic Situation in Late Summer 1862: Antietam and the Maryland Campaign of 1862 (part 1)

2.  Action Prior to Antietam: South Mountain and Harper’s Ferry: Antietam and the Maryland Campaign of 1862 (part 2)

 

 

 

Antietam presentations for Wednesday rescheduled to Mondays

Sorry for the schedule change, but all of the presentations on Antietam and the Maryland Campaign of 1862 have been rescheduled to Mondays.

The new schedule is:

2. The Forgotten Campaign – the origin and development of American Economic Warfare in WWII (1939-41) – Wednesday, 700 PM, 24 September
 
3. The Armies on September 16, 1862 – Monday, 700 PM, 29 September:
 
4. The Morning Battle September 17, 1862 – Monday, 700 PM, 13 October:
 
The Fourth HAAC is 21-23 October and Dr. Slaughter will be conducting a tour of the battlefield on 24 October (see below).
 
5. The Afternoon and Evening September 17, 1862 – `Monday, 700 PM, 27 October:
 
6. The Aftermath September 18 to 20 1862 – Monday, 700 PM, 10 November:
 
7. Reassessing the Battle – Monday, 700 PM, 24 November: 

 

Fourth HAAC:

The Fourth HAAC, 21 – 23 October. See July’s Schedule for the Fourth Historical Analysis Annual Conference (HAAC) 21 – 23 October 2025 – The Dupuy Institute and Fourth Historical Analysis Annual Conference (HAAC) Tickets, Tue, Oct 21, 2025 at 9:00 AM | Eventbrite.

We do offer a guided tour of the Antietam battlefield at the end of the HAAC conference on Friday October 24. It will also be conducted by Dr. James Slaughter. 

 

P.S. Here are the first two presentations on Antietam and the Maryland Campaign of 1862 done by Dr. James F. Slaughter III.

1. Understanding Antietam: Part 1: The Strategic Situation in Late Summer 1862: Antietam and the Maryland Campaign of 1862 (part 1)

2.  Action Prior to Antietam: South Mountain and Harper’s Ferry: Antietam and the Maryland Campaign of 1862 (part 2)