Index: head/share/man/man7/build.7
===================================================================
--- head/share/man/man7/build.7
+++ head/share/man/man7/build.7
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd March 29, 2020
+.Dd May 3, 2020
 .Dt BUILD 7
 .Os
 .Sh NAME
@@ -833,6 +833,11 @@
 make TARGET_ARCH=armv6 buildworld buildkernel
 make TARGET_ARCH=armv6 DESTDIR=/clients/arm installworld installkernel
 .Ed
+.Sh HISTORY
+The
+.Nm
+manpage first appeared in
+.Fx 4.3 .
 .Sh SEE ALSO
 .Xr cc 1 ,
 .Xr install 1 ,
Index: head/share/man/man7/crypto.7
===================================================================
--- head/share/man/man7/crypto.7
+++ head/share/man/man7/crypto.7
@@ -27,7 +27,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd March 27, 2020
+.Dd May 3, 2020
 .Dt CRYPTO 7
 .Os
 .Sh NAME
@@ -112,6 +112,11 @@
 NOTE: The ciphertext stealing part is not implemented which is why this cipher
 is listed as having a block size of 16 instead of 1.
 .El
+.Sh HISTORY
+The
+.Nm
+manpage first appeared in
+.Fx 10.1 .
 .Sh SEE ALSO
 .Xr crypto 4 ,
 .Xr crypto 9
Index: head/share/man/man7/ffs.7
===================================================================
--- head/share/man/man7/ffs.7
+++ head/share/man/man7/ffs.7
@@ -30,7 +30,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd August 25, 2019
+.Dd May 3, 2020
 .Dt FFS 7
 .Os
 .Sh NAME
@@ -288,6 +288,11 @@
 to be contiguous.
 .Pq Default: 1 .
 .El
+.Sh HISTORY
+The
+.Nm
+manual page first appeared in
+.Fx 4.5 .
 .Sh SEE ALSO
 .Xr quota 1 ,
 .Xr acl 3 ,
Index: head/share/man/man7/growfs.7
===================================================================
--- head/share/man/man7/growfs.7
+++ head/share/man/man7/growfs.7
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd November 1, 2014
+.Dd May 3, 2020
 .Dt GROWFS 7
 .Os
 .Sh NAME
@@ -57,6 +57,11 @@
 .Pa /etc/rc.conf
 .Sh EXIT STATUS
 .Ex -std
+.Sh HISTORY
+The
+.Nm
+manual page first appeared in
+.Fx 10.1 .
 .Sh SEE ALSO
 .Xr rc.conf 5
 .Sh AUTHORS
Index: head/share/man/man8/diskless.8
===================================================================
--- head/share/man/man8/diskless.8
+++ head/share/man/man8/diskless.8
@@ -26,7 +26,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd September 10, 2018
+.Dd May 3, 2020
 .Dt DISKLESS 8
 .Os
 .Sh NAME
@@ -453,6 +453,11 @@
 to mount root and user
 partitions may expose information such as
 encryption keys.
+.Sh HISTORY
+The
+.Nm
+environment first appeared in
+.Fx 2.2.5 .
 .Sh SEE ALSO
 .Xr ethers 5 ,
 .Xr exports 5 ,