Index: share/man/man3/pthread_atfork.3
===================================================================
--- share/man/man3/pthread_atfork.3
+++ share/man/man3/pthread_atfork.3
@@ -34,7 +34,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd June 21, 2004
+.Dd November 14, 2020
 .Dt PTHREAD_ATFORK 3
 .Os
 .Sh NAME
@@ -111,6 +111,11 @@
 .Fn pthread_atfork
 function is expected to conform to
 .St -p1003.1 .
+.Sh HISTORY
+The
+.Fn pthread_atfork
+function first appeared in
+.Fx 5.3 .
 .Sh AUTHORS
 This manpage was written by
 .An Alex Vasylenko Aq Mt lxv@omut.org .
Index: share/man/man3/pthread_attr_get_np.3
===================================================================
--- share/man/man3/pthread_attr_get_np.3
+++ share/man/man3/pthread_attr_get_np.3
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd January 31, 2003
+.Dd November 14, 2020
 .Dt PTHREAD_ATTR_GET_NP 3
 .Os
 .Sh NAME
@@ -108,6 +108,11 @@
 .Xr pthread_attr_getstackaddr 3 ,
 .Xr pthread_attr_getstacksize 3 ,
 .Xr pthread_attr_init 3
+.Sh HISTORY
+The
+.Fn pthread_attr_get_np
+function first appeared in
+.Fx 5.0 .
 .Sh AUTHORS
 The
 .Fn pthread_attr_get_np
Index: share/man/man3/pthread_attr_setcreatesuspend_np.3
===================================================================
--- share/man/man3/pthread_attr_setcreatesuspend_np.3
+++ share/man/man3/pthread_attr_setcreatesuspend_np.3
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd February 13, 2003
+.Dd November 14, 2020
 .Dt PTHREAD_ATTR_SETCREATESUSPEND_NP 3
 .Os
 .Sh NAME
@@ -67,6 +67,11 @@
 .Xr pthread_create 3 ,
 .Xr pthread_resume_all_np 3 ,
 .Xr pthread_resume_np 3
+.Sh HISTORY
+The
+.Fn pthread_attr_setcreatesuspend_np
+function first appeared in
+.Fx 5.1 .
 .Sh AUTHORS
 This manual page was written by
 .An Alexey Zelkin Aq Mt phantom@FreeBSD.org .
Index: share/man/man3/pthread_cancel.3
===================================================================
--- share/man/man3/pthread_cancel.3
+++ share/man/man3/pthread_cancel.3
@@ -1,5 +1,5 @@
 .\" $FreeBSD$
-.Dd January 17, 1999
+.Dd November 14, 2020
 .Dt PTHREAD_CANCEL 3
 .Os
 .Sh NAME
@@ -72,6 +72,11 @@
 .Fn pthread_cancel
 function conforms to
 .St -p1003.1-96 .
+.Sh HISTORY
+Th
+.Fn pthread_cancel
+function first appeared in
+.Fx 5.0 .
 .Sh AUTHORS
 This manual page was written by
 .An David Leonard Aq Mt d@openbsd.org
Index: share/man/man3/pthread_cleanup_pop.3
===================================================================
--- share/man/man3/pthread_cleanup_pop.3
+++ share/man/man3/pthread_cleanup_pop.3
@@ -27,7 +27,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd October 25, 2014
+.Dd November 14, 2020
 .Dt PTHREAD_CLEANUP_POP 3
 .Os
 .Sh NAME
@@ -72,3 +72,8 @@
 .Fn pthread_cleanup_pop
 function conforms to
 .St -p1003.1-96 .
+.Sh HISTORY
+The
+.Fn pthread_cleanup_pop
+function first appeared in
+.Fx 5.0 .
Index: share/man/man3/pthread_cleanup_push.3
===================================================================
--- share/man/man3/pthread_cleanup_push.3
+++ share/man/man3/pthread_cleanup_push.3
@@ -27,7 +27,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd October 25, 2014
+.Dd November 14, 2020
 .Dt PTHREAD_CLEANUP_PUSH 3
 .Os
 .Sh NAME
@@ -74,3 +74,8 @@
 .Fn pthread_cleanup_push
 function conforms to
 .St -p1003.1-96 .
+.Sh HISTORY
+The
+.Fn pthread_cleanup_push
+function first appeared in
+.Fx 5.0 .
Index: share/man/man3/pthread_cond_broadcast.3
===================================================================
--- share/man/man3/pthread_cond_broadcast.3
+++ share/man/man3/pthread_cond_broadcast.3
@@ -27,7 +27,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd July 28, 1998
+.Dd November 14, 2020
 .Dt PTHREAD_COND_BROADCAST 3
 .Os
 .Sh NAME
@@ -70,3 +70,8 @@
 .Fn pthread_cond_broadcast
 function conforms to
 .St -p1003.1-96 .
+.Sh HISTORY
+The
+.Fn pthread_cond_broadcast
+function first appeared in
+.Fx 5.1 .
Index: share/man/man3/pthread_cond_destroy.3
===================================================================
--- share/man/man3/pthread_cond_destroy.3
+++ share/man/man3/pthread_cond_destroy.3
@@ -27,7 +27,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd July 28, 1998
+.Dd November 14, 2020
 .Dt PTHREAD_COND_DESTROY 3
 .Os
 .Sh NAME
@@ -77,3 +77,8 @@
 .Fn pthread_cond_destroy
 function conforms to
 .St -p1003.1-96 .
+.Sh HISTORY
+The
+.Fn pthread_cond_destroy
+function first appeared in
+.Fx 5.1 .
Index: share/man/man3/pthread_cond_init.3
===================================================================
--- share/man/man3/pthread_cond_init.3
+++ share/man/man3/pthread_cond_init.3
@@ -27,7 +27,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd August 17, 2018
+.Dd November 14, 2020
 .Dt PTHREAD_COND_INIT 3
 .Os
 .Sh NAME
@@ -81,3 +81,8 @@
 .Fn pthread_cond_init
 function conforms to
 .St -p1003.1-96 .
+.Sh HISTORY
+The
+.Fn pthread_cond_init
+function first appeared in
+.Fx 5.1 .
Index: share/man/man3/pthread_cond_signal.3
===================================================================
--- share/man/man3/pthread_cond_signal.3
+++ share/man/man3/pthread_cond_signal.3
@@ -27,7 +27,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd July 28, 1998
+.Dd November 14, 2020
 .Dt PTHREAD_COND_SIGNAL 3
 .Os
 .Sh NAME
@@ -70,3 +70,8 @@
 .Fn pthread_cond_signal
 function conforms to
 .St -p1003.1-96 .
+.Sh HISTORY
+The
+.Fn pthread_cond_signal
+function first appeared in
+.Fx 5.1 .
Index: share/man/man3/pthread_cond_timedwait.3
===================================================================
--- share/man/man3/pthread_cond_timedwait.3
+++ share/man/man3/pthread_cond_timedwait.3
@@ -27,7 +27,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd May 9, 2010
+.Dd November 14, 2020
 .Dt PTHREAD_COND_TIMEDWAIT 3
 .Os
 .Sh NAME
@@ -99,3 +99,8 @@
 .Fn pthread_cond_timedwait
 function conforms to
 .St -p1003.1-96 .
+.Sh HISTORY
+The
+.Nm pthread_cond_timedwait
+function first appeared in
+.Fx 5.1 .
Index: share/man/man3/pthread_cond_wait.3
===================================================================
--- share/man/man3/pthread_cond_wait.3
+++ share/man/man3/pthread_cond_wait.3
@@ -27,7 +27,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd August 7, 2019
+.Dd November 14, 2020
 .Dt PTHREAD_COND_WAIT 3
 .Os
 .Sh NAME
@@ -99,3 +99,8 @@
 .Fn pthread_cond_wait
 function conforms to
 .St -p1003.1-96 .
+.Sh HISTORY
+The
+.Fn pthread_cond_wait
+function first appeared in
+.Fx 5.1 .
Index: share/man/man3/pthread_create.3
===================================================================
--- share/man/man3/pthread_create.3
+++ share/man/man3/pthread_create.3
@@ -30,7 +30,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd August 17, 2018
+.Dd November 14, 2020
 .Dt PTHREAD_CREATE 3
 .Os
 .Sh NAME
@@ -147,3 +147,8 @@
 .Fn pthread_create
 function conforms to
 .St -p1003.1-96 .
+.Sh HISTORY
+The
+.Fn pthread_create
+function first appeared in
+.Fx 5.1 .
Index: share/man/man3/pthread_detach.3
===================================================================
--- share/man/man3/pthread_detach.3
+++ share/man/man3/pthread_detach.3
@@ -30,7 +30,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd April 4, 1996
+.Dd November 14, 2020
 .Dt PTHREAD_DETACH 3
 .Os
 .Sh NAME
@@ -89,3 +89,8 @@
 .Fn pthread_detach
 function conforms to
 .St -p1003.1-96 .
+.Sh HISTORY
+The
+.Fn pthread_detach
+function first appeared in
+.Fx 5.1 .
Index: share/man/man3/pthread_equal.3
===================================================================
--- share/man/man3/pthread_equal.3
+++ share/man/man3/pthread_equal.3
@@ -30,7 +30,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd April 4, 1996
+.Dd November 14, 2020
 .Dt PTHREAD_EQUAL 3
 .Os
 .Sh NAME
@@ -67,3 +67,8 @@
 .Fn pthread_equal
 function conforms to
 .St -p1003.1-96 .
+.Sh HISTORY
+The
+.Fn pthread_equal
+function first appeared in
+.Fx 5.1 .
Index: share/man/man3/pthread_exit.3
===================================================================
--- share/man/man3/pthread_exit.3
+++ share/man/man3/pthread_exit.3
@@ -30,7 +30,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd March 15, 2014
+.Dd November 14, 2020
 .Dt PTHREAD_EXIT 3
 .Os
 .Sh NAME
@@ -105,3 +105,8 @@
 .Fn pthread_exit
 function conforms to
 .St -p1003.1-96 .
+.Sh HISTORY
+The
+.Fn pthread_exit
+first appeared in
+.Fx 5.1 .
Index: share/man/man3/pthread_key_create.3
===================================================================
--- share/man/man3/pthread_key_create.3
+++ share/man/man3/pthread_key_create.3
@@ -30,7 +30,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd April 4, 1996
+.Dd November 14, 2020
 .Dt PTHREAD_KEY_CREATE 3
 .Os
 .Sh NAME
@@ -107,3 +107,8 @@
 .Fn pthread_key_create
 function conforms to
 .St -p1003.1-96 .
+.Sh HISTORY
+The
+.Fn pthread_key_create
+function first appeared in
+.Fx 5.1 .
Index: share/man/man3/pthread_key_delete.3
===================================================================
--- share/man/man3/pthread_key_delete.3
+++ share/man/man3/pthread_key_delete.3
@@ -30,7 +30,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd April 4, 1996
+.Dd November 14, 2020
 .Dt PTHREAD_KEY_DELETE 3
 .Os
 .Sh NAME
@@ -98,3 +98,8 @@
 .Fn pthread_key_delete
 function conforms to
 .St -p1003.1-96 .
+.Sh HISTORY
+The
+.Fn pthread_key_delete
+function first appeared in
+.Fx .5.1 .
Index: share/man/man3/pthread_kill.3
===================================================================
--- share/man/man3/pthread_kill.3
+++ share/man/man3/pthread_kill.3
@@ -26,7 +26,7 @@
 .\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
 .\" $FreeBSD$
-.Dd April 27, 2000
+.Dd November 14, 2020
 .Dt PTHREAD_KILL 3
 .Os
 .Sh NAME
@@ -75,3 +75,8 @@
 .Fn pthread_kill
 function conforms to
 .St -p1003.1-96
+.Sh HISTORY
+The
+.Fn pthread_kill
+function first appeared in
+.Fx 5.1 .
Index: share/man/man3/pthread_once.3
===================================================================
--- share/man/man3/pthread_once.3
+++ share/man/man3/pthread_once.3
@@ -30,7 +30,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd April 4, 1996
+.Dd November 14, 2020
 .Dt PTHREAD_ONCE 3
 .Os
 .Sh NAME
@@ -105,3 +105,8 @@
 .Fn pthread_once
 function conforms to
 .St -p1003.1-96 .
+.Sh HISTORY
+The
+.Fn pthread_once
+function first appeared in
+.Fx 5.1 .
Index: share/man/man3/pthread_yield.3
===================================================================
--- share/man/man3/pthread_yield.3
+++ share/man/man3/pthread_yield.3
@@ -4,7 +4,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd September 18, 2006
+.Dd November 14, 2020
 .Dt PTHREAD_YIELD 3
 .Os
 .Sh NAME
@@ -28,3 +28,8 @@
 .Fn pthread_yield
 is a non-portable (but quite common) extension to
 .St -p1003.1-2001 .
+.Sh HISTORY
+The
+.Fn pthread_yield
+function first appeared in
+.Fx 5.1 .